SHIP 8141 -ATB- RETURNED TO SEA DUE TO ODOR IN THE CABIN AND FLIGHT DECK. CREW DID DON O2 MASKS AND IS DECLARING AN EMERGENCY. CORRECTIVE ACTION: MTC FOUND OIL WETTING ON NBR 2 ENGINE FAN EXIT GUIDE VANES. #2 ENGINE REPLACED. (LP# 7215788, 0870339)

(AIRCRAFT NOT GROUNDED) DIRTY SOCK ODOR REPORTED BY FORWARD FLIGHT ATTENDANTS. FORWARD FA'S REPORT SMELL OCCURED DURING DECENT. BOTH PACKS WERE BEING SUPPLIED BY ENGINE BLEED AIR DURIONG THAT TIME / WHILE ATTEMPTING TO PERFORM LEVEL 3 TC 21-000-003, EVIDENCE OF OIL LEAKAGE FOUND ON APU INTAKE PLENUM, INTAKE SCREEN AND APU INTAKE PLENUM SEAL. REMOVED AND REPLACED APU REF W/O 518101 NR'S 00005 AND 00006. THIS CLOSES MDDR# 210108, PLACARDS REMOVED.

HAD A FUME EVENT COMING IN TO LAND STARTED AROUND 3000. DESCRIPTION OF ODOR/FUMES: CONTINUOUS AND DISCOMFORTABLE, MUSTRY DRY AND DIRTY SOCKS SMELL. APPARENT CABIN SOURCE: UNKNOWN. FLIGHT DECK, FWD CABIN, AFT CABIN, AND MID CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-APPLIED TSM 05-50-00. PACK # 2 FOUND TO BE SOURCE OF FUME EVENT. REF.LP 3626245-1 FOR PACK # 2 REQUIRES DEFERRAL. MOC # 69661

BURNING RUBBER SMELL BACK OF AIRCRAFT PER FA FA REPORTED SHORT PEROID OF BURNUNG SMELL AT AFT LAV AREA WHEN A/C APPOCHED TO THE GATE, PILOT REPORTS SMOOTH LANDING NO HARD BRAKING. NO SIGN OF SMOKE OR FIRE DURING EXTERIOR, CARGO AND INTERIOR GVI. CARGO AND LAV SMOKE WORNING WAS NOT ON. OK TO CONTINUE. REF AMM 26-17-00.

AIRCRAFT WAS GROUNDED: ON TAKE OFF ROLL, A STRONG MUSTY SMELL NOTICED IN FLIGHT DECK ONLY.

SHIP 3245 DISC: FUME SMELL AT 2000' BEFORE LANDING. PLASTIC SMELL, ALSO SMELLED IN 1R GALLEY. C/A: RAN BOTH ENGINES, RAN BOTH PACKS AND BOTH ENGINE BLEEDS, ALSO INSPECTED 1R GALLEY. REF LOG 0870669. (LP: 7162994)

CLIMBING OUT OF KHPN ABOUT TO LEVEL AT 5000 FT WE RECIEVED A RIGHT RED ENGINE FIRE WARNING. BEFORE I COULD RUN THE CHECKLIST THE LIGHT AND WARNING EXTINGUISHED. I BELIEVE IT WAS FROM THE THEOTTLE RETARDING AT LEVEL OFF. NOTICED THE ITT ON THE RIGHT ENGINE WOULD FLUTUATE WITH THROTTLE POSITION, IT DID NOT MATCH THE LEFT SIDE. I SAW THE ITT IN THE AMBER, IM NOT SURE IT MADE IT INTO THE RED. WE RETURNED TO HPN UNEVENTFULLY. UPON INSPECT ON GROUND A BIG HOLE ON TOP OF COWLING BY

FUMES SMELLED ON FLIGHT DECK AND FWD GALLEY AFTER APU STARTED. DISSIPATED AFTER C/L C/W. C/W AMDS W/C 0550-2001(362513) NO FUMES OR SMELL NOTED. C/W W/ C0550-2003- NO ITEMS. C/W A220 EFIM ELIMINATION OF RESIDUAL ODORS 2HR. ENG RUNS- NO ODORS. OK FOR SVC, REF. SOLUTION ID'S 1- 8449 AND 1-8451. DID FIND DEBRIS IN FWD GALLEY OVEN; REMOVED. CHANGED RECIRC FILTERS. (LP# 7089743)

FLT#873, BOS-AUA. 'FAS NOTICED MILD TO MODERATE DRY ERASE MARKER SMELL CLIMBING THROUGH 10K FEET AT JUMPSEAT AND ROW 6-7 FOR 3-5 MINUTES INTO FLIGHT 30 MINUTES INTO FLIGHT NOTICED BURNING SMELL ROW 14 FOR 3-5 MINUTES LATER SMELL UP NOTICED ROW 18-23 FOR 3-5 MINUTES; C/W INFORMATION NOTES 2017-T015K IAW EC/TC A21-23-035-01 BASIC CABIN DECONTAMINATION USING TEMP SIMULATION DEVICE. NO CABIN ODOR. MCC DANI NOTIFIED.'

AIRCRAFT WAS GROUNDED: CHEMICAL SMELL IN THE FLIGHT DECK DURING FLIGHT, SMELLS LIKE BURNT PLASTIC WITH A METALLIC ODOR. ODOR CAUSING A BAD TASTE. EVEN WITH THE GASPER VENTS OPEN THE ODOR DOES NOT DISSIPATE. MAINTENANCE FOUND EVIDENCE OF RAIN REPELLANT LEAK IN THE FORWARD E/E COMPARTMENT AND REPLACED THE LEFT HAND WIPER CONVERTOR MOTOR PER AMM 30-45-51. A SATISFACTORY LEAK /OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS NOTED.

STRONG FUEL ODOR W/APU RUNNING AND PACKS ON REF L/P 4230884 FOUND AND FIXED APU FUEL FLOW DIVIDER FUEL LEAK. TAXIED AIRCRAFT FOR 30 MINUTES. NO FUEL SMELL DETECTED IN FLIGHT DECK OR CABIN. OK TO CONTINUE.

BAD ROTTEN SMELL EMINATES FROM FWD FA VENT ON TAKEOFF AND LANDIN G BELOW 10000 FEET TURNED ON PACKS FOR 15 MINS INSPECTED VENTS AND AIR QUALITY THRU OUT A/C NO DEFECTS NOTED AT THIS TIME ALSO INSP GALLEY AREA NO ROTTEN SMELL NOTED A/C OK TO CONT

SHIP 3269 DISC: ON APPROCH TO GATE, CREW NOTED DIRTY SOCK ODOR IN COCKPIT. CREW DESELECTEED APU BLEED AND ODER GRADUALLY DISAPPEARED CAPT NOTED FA WHO STATED THY DID NOT SMELL THE ODOR IN THE CABIN. C/A: FOUND A HYDRAULIC LEAK FROM THE BRAKE SELECTOR VALVE MANIFOLD. R /R THE O-RINGS ON THE BRAKE SELECTOR VALVE MANIFOLD PER A320 AMM 32-42. OPS AND LEAK CHECK GOOD. FOLLOWED ODI PREVENTION STEPS ON LOG# 0865592. C/W W/C 0550-2002. FOUND APU INGESTED HYDRAULIC PERFORMED CORRECTIV

SHIP 651 DIRTY SOCK SMELL ON APPROACH INTO KBFI APPEARED BELOW 10,000 ACL. CORRECTIVE ACTION: FOUND SIGNS OF OIL LEAKS ON NBR 2 ENGINE, FOUND LINE ON 2.5 BLEED ACTUATOR, ACCA FITTINGS AND LOWER OIL PSI XMTR ALL LOOSE. TIGHTINED SAME. C/W NO GO ODI PREVENTION SEE LOG 0856671 FOR ACTIONS. BORESCOPE OF ENG 2 2.5 BLEED PORTS AND 6TH STAGE BLADE AREA ACCOMPLISHED IAW B757 FIM 71-05-00-815-811-P00, NO FINDINGS NOTED. REFERENCE LOG 0856671 FOR BOTH ENGS ODI PROC'S. (6862216)

(AIRCRAFT NOT GROUNDED) DIRTY SOCK OBSERVED DURING CLIMB OUT AND DESCENT IN FLIGHT DECK, FWD ANF AFT GALLEYS. / PERFORMED TC 21-000-001 ODOR WAS FOUND TO BE ORIGINATING FROM PACK 1. REF WO: 516248 T/C 21-000-003 C/W. PACK 1 SYS OK FOR SVC. (M) PROCEDURE REVERSE. THIS CLEARS MEL 21-52-01-G MDDR #208513. INOP PLCD REMOVED. REF WO 516774 TC 21-000-002. M313 REQ TO PERFORM TC 21-000-003 WITHIN 10 DAYS.

FLT#2904, RSW-BDL. 'ODOR/ FUME EVENT. DURING DESCENT FA'S IN AFT GALLEY REPORTED A FUEL SMELL IN THE FLIGHT DECK WE SMELLED A DIRTY SOCK SMELL. ( PACKS ).' (SUPPLEMENTAL INFORMATION TO FOLLOW)

100233439 - SMOKE CREW REST ENGINE-INDICATING AND CREW-ALERTING SYSTEM ON TAKE OFF, SELF CORRECTED. PERFORMED FIRE SYSTEM TEST. ALL PASSED AND CREW REST SMOKE DETECTORS SELF TEST ALL GOOD IAW B747 AMM 26-13-00. PERFORMED CONDITIONAL INSPECTION FOR SMOKE OR FUMES IN THE COCKPIT IAW B747 AMM 05-51-56 NO DEFECTS NOTED.

ELECTRICAL BURNING SMELL ON FLIGHT DECK AND FOLLOWED THROUGH CABIN THEN FEW MINUTES LATER; LEFT PACK TRIP OFF ANNUNCIATION LIGHT CAME ON <[01] EIE.

ELECTRICAL BURNING SMELL ON FLIGHT DECK AND FOLLOWED THROUGH CABIN THEN A FEW MINUTES LATER; LEFT PACK TRIP OFF ANNUNCIATOR LIGHT CAME ON <[01] FOUND ACM LH SEIZED. R/R LH ACM PER AMM 21-51-04; OPS OK.

TURNING INTO GATE FORWARD F/A REPORTED SAME ODOR AS PREVIOUS FLIGHT IN MSY IN CABIN. NO ODOR OBSERVED IN COCKPIT OR REAR OF AIRCRAFT. LASTED FOR JUST VERY SHORT PERIOD AND WAS COINCIDENT WITH APU START. C/W NO GO ODI PREVENTION A220 21-72. FOUND FWD GALLEY TO BE EMITTING AN ELECTRICAL METALLIC SMELL. OVEN REMOVED WILL NEED INSTALL. RECIRCULATION FILTERS R/R AS PRECAUTION PER A220 AMP 21-22 (447455). R/R FWD GAL OVEN REF A220 AMM 25-32. CHECKS GOOD GOOD FOR SERVICE. (LP# 70878

FLT#1595, BOS-PUJ. 'LEVEL 1 FUME EVENT APU IS DEFERRED FOR A FUME EVENT AFTER TAKE OFF TO 5000 FT STRONG FUME SMELL, DID ISOLATION CHECKLIST AND TURNED OFF PACK 1, 45 MINS LATER SMELL WENT AWAY. SMELL CAME BACK AT 1340Z DID PROCEDURE AND STAYED THAT WAY FOR ENTIRE FLIGHT. ( PACKS ); COMPLIED WITH INFORMATION NOTICE 2017-T015, SECTION B2. IDENTIFIED ODOR PERFORMED LEVEL B DECONTAMINATION WAS ACCOMPLISHED PER AMM 21-00-00-615-803-A. AND RECIRCULATING FILTERS R+R. THIS CLEARS MD

DURING TAXI, 5 MINUTES AFTER ENGINE START, FUEL LIKE SMELL IN MID CABIN FACT 17MAR25 19:48 PHL RAN BOTH ENGINES FOR APPROX 10 MINUTES. NO UNUSUAL SMELLS NOTED. CAPTAIN ALSO WAS IN CABIN AND NO SMELL REPORTED. OPS CHECK GOOD. ACFT OK FOR SERVICE

PERFORMING A POSITIONING FLIGHT OF AIRCRAFT N504VL FOR DELIVERY PURPOSES, WITH NO PASSENGERS ON BOARD, ROUTE GDL-PHX , #2 ENGINE FAILED CAUSING AN ENGINE FLAME OUT. FLIGHT CREW WAS UNABLE TO RE-START THE ENGINE AND RETURNED TO STATION GDL WITH ONLY ENGINE #1 OPERATING. AIRCRAFT LANDED WITHOUT ADDITIONAL INCIDENTS OR DAMAGES. MAINTENANCE PROVIDER IS PERFORMING INSPECTIONS AND CHECKS IAW AMM TO DETERMINE THE CAUSE OF THE ENGINE SHUTDOWN.

AUDIO PANEL EMITTED SMOKE, FILLING THE CABIN. PILOT WAS FORCED TO DEACTIVATE AIRCRAFT ELECTRICAL SYSTEM AND MAKE AN EMERGENCY LANDING RESULTING IN MAJOR DAMAGE TO THE AIRCRAFT.

(LOG 6895384) SUSPECTED LIGHTNING STRIKE AT GATE. APU GEN CYCLED ON AND OFF THEN ON FOLLOWED BY ELECTRICAL BURNING SMELL FOR 1 MINUTE IN FLIGHT DECK AND 5 MINUTES IN AFT GALLEY. FOUND APU START GEN SHOWS SIGNS OF ARCING. R/R APU START GEN REF B737 AMM 49-11. OPS CKS GOOD. NO ELECTRICAL ODOR PRESENT.

DURING TAXI OUT, R WSHLD HEAT FAIL CAS ILLUMINATED FOLLOWED BY A STRONG BURNING SMELL. SMELL WAS NOTICEABLE IN GALLEY AND CABIN. FAULT CODE: 3041012IN CORRECTIVE ACTION; REMOVED BULKHEAD COVERS BEHIND PILOT AND COPILOT SEAT!; AND INSPECTED. FOUND STRONG ODOR COMING FROM UPPER OUTBOARD COMER OF THE RIGHT WINDOW TEMP CONTROLLER. DROPPED BOTH PILOT AND COPILOT C/B PANELS, INSPECTED C/B'S AND SURROUNDING AREA. GAINED ACCESS TO RIGHT WINDSHIELD AND SIDE WINDOW. WIRING AND COMPLIED

(AIRCRAFT NOT GROUNDED) ODOR - MUSTY/LOCKERROOM/SOUR MILK - DETECTED THROUGHOUT PAX CABIN FROM DESCENT TO GATE. CONFIG BOTH ENG BLEEDS ON, BOTH PACKS ON, APU OFF AT START OF EVENT, ODOR CONTINUED AT GATE WITH ENGINES OFF AND APU BLEED ON COMPLIED WITH TC 21-000-002ITEM: 1COMPLIED WITH TC 21-000-002. (RESOLVED ON W/O: 516919 TASKCARD: NR-00001 ) PREFORMED TASK CARD 21-000-002 UP TO STEP 3. H .9 FCU FOUND LEAKING OIL, COMPLIED WITH REMOVAL AND REPLACEMENT OF LUBE MODULE & FCU I

AIRCRAFT WAS GROUNDED: DIRTY SOCK ODOR NOTICEABLE IN FLIGHT DECK MOSTLY ON APPROACH. AFTER TURNING OFF PACK 1, SMELL IMPROVED. WILL COMPLETE LONG ODORFORM SHORTLY. PERFORMED ODOR TROUBLESHOOTING JOBCARD 26L00021001. FOUND EVIDENCE OF OIL LEAK AROUND APU OIL PUMP AREA..PLACED APU ON MEL REF MIC#1045100. **SUPPLEMENTAL REPORT WILL BE SUBMITTED.** (OPEN)

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED A BURNING RUBBER SMELL AT ROW 22 STARTING AROUND 10,000 FEET UNTIL AFTER LANDING. MAINTENANCE FOUND THE MID LAVATORY WATER HEATER WAS THE SOURCE OF THE BURNING SMELL AND REPLACED IT PER AMM 38-12-16. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS NOTED.

JUST PRIOR TO APPROACH WHILE DECENDING OUT OF 6000' WE BEGAN TO NOTICE A DIRTY SOCK SMELL. TURNED OFF PACK 1 AND THE SMELL DIMINISHED. A MINUTE LATER THE FA CALLED AND SAID THY HAD A SIMILAR SMELL IN THE CABIN. WE TURNED PACK 1 ON AND 2 OFF. SMELL CAME BACK IN COCKPIT. FADED 5MIN LATER. -PERFORMED DECONTAMINATION PROCEDURE FOR PACK 1+2 IAW AMM 21-00-00. WO 34853 EO 7100-2301, TI 2100-2002 NEO, EA 7200-2406. REF LP 3572845-2, 3572486-1. NO ODOR DETECTED. AC OK FOR CONTD SVC.

LAV SMOKE EICAS MESSAGE IN FLIGHT. CONFIRMED NO FLAME SMOKE OR SMELL PRESENT. PERFORMED LAV SMOKE DETECTOR ADJ TEST. OPS CHECK SAT. NO DEFECTS NOTED.

A/C SMELLS OF CIGARETTE SMOKE AFTER MAINT IN XIAMEN CHINA SPOKE TO INBOUND CREW, INBOUND CREW STATED THAT AIRCRAFT SMELLED UPON ENTERING THE AIRCRAFT, THEY STATED AIRCRAFT HAD NO DEFECTS WHILE FLYING NO PAC DEFECTS NO SMOKE IN CABIN ETC. SUSPECT VENDORS IN CHINA TO HAVE CAUSED SMELL. CLEANING CREW CALLED AS WELL

AFTER REJECTED CLEAR OF RWY SMELLED ELECTRICAL ODER IN COCKPIT. SMELL WENT AWAY DURING RETURN TAXI TO GATE <[01]. R/R OVERHEAD PANEL DUE TO SMELL IN COCKPUT WHICH WAS CAUSED BY PIN 7 PLUG D2664 ON HYDRAULIC PUMP. DONE IAW MM29-34-11 AND WD 29-34-11.

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CLIMBING THROUGH 6000 FEET, ENGINE 1 EGT WENT TO RED LIMIT AND ENGINE WAS VIBRATING WITH SOME POWER LOSS. PASSENGER REPORTED FLAMES FROM ENGINE INTAKE. ENGINE WIND MILLED FOR AT LEAST 20 MINUTES. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. REMOVED AND REPLACED NUMBER 1 ENGINE, OPERTIONAL AND LEAK CHECK GOOD. PER JC 08L40072003, JC 08L40072006, JC 08L40077001, JC 08T40079001, JC 08L40036004, &AMP; JC 08L40

SMOKE COMING FROM F/O SIDE PANEL AREA. T/S REPORTED SMOKE AND SMELL IN COCKPIT TO DAMAGED WIRING TO CO-PILOT SIDE CONSOLE FLOODLIGHT PER CRJ FIM 21-21-00. ISOLATED AND SECURED WIRING/CONNECTOR TO LIGHT ASSY PER ESPM 20-12-05 AND DEFERRED CO-PILOT SIDE CONSOLE FLOODLIGHT ON DMI OCN 70090372 PER MEL 33-11-01A CAT C AUTH BY MXC

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: SHORTLY AFTER TAKEOFF, THE RIGHT EGT WAS OBSERVEDTO ILLUMINATE RED WITH A TEMP OF 930 AND AN ENGINE VIBRATION OF 5.0. AIRCRAFT DIVERTED TO AND SAFELY AT DEN. DURING THE PARKING CHECKLIST THE NUMBER 2 ENGINE FIRE HANDLE ILLUMINATED, THE WARNING BELL SOUNDED, AND SHORTLY THERE AFTER SMOKE BEGAN BILLOWING PAST THE COCKPIT WINDOW; SUBSEQUENTLY WE FOUND EVIDENCE OF AN UNCONTAINED ENGINE FIRE ON THE NUMBER TWO SIDE. NUMBER 2

FLT#873, BOS- AUA. 'FA'S HAD DIRTY SOCK SMELL DESCENDING THROUGH 6000 TO LANDING FROM AFT CABIN TO L3 DOOR, NOT IN COCKPIT ( PACKS ); COMPLIED WITH INFO NOTICE 2017-T015 SECTION B2 IDENTIFIED ODOR AS APU THE CAUSE DECONTAMINATION LEVEL B WAS ACCOMPLISHED TSM 05-50-00-810-831-A AC OK FOR SERVICE PACK 2 REACTIVATED MX-4 UPDATED MCC NOTIFIED MDDR CLEARED.'

SHIP 3163 - SMOKE - DONNED OXYGEN MASKS DUE TO A LIGHT GRAY SMOKE ENTERING THE COCKPIT AND CABIN AFTER DEPLOYING REVERSERS. QUICKLY DISSIPATED AFTER STOWING. CORRECTIVE ACTION: NO TROUBLE FOUND. PERFORMED NO-GO LEVEL A DECONTAMINATION PROCEDURES AND RETURNED THE AIRCRAFT TO SERVICE. (LP: 7089392)

MOLDLY OLD SOCK SMELL AT LOW ALTITUDES AND HIGH POWER SETTINGS OPERATED APU AND PACKS. NOTICED THERE WAS A STRONG OIL ODOR THROUGHOUT CABIN AND COCKPIT. PERFORMED FIM TASK 05-51-26-800-801-C1, SMOKE/ODOR IN FLIGHT DECK/ CABIN. FOUND RIGHT RECIRCULATION FILTER DIRTIER THAN LEFT, BUT SEEMED LIKE NORMAL DIRT AND NOT OIL CONTAMINATION. REPLACED BOTH FILTERS PER A.M.M. 21-25-01. RAN ENGINES AT 70% N1 WITH PACKS ISOLATED ON EACH SIDE FOR 10 MINUTES. ISOLATED APU BLEED DURING COOL D

SHIP 3057 AFTER TAKEOFF DURING CLIMB SMELLED A SLIGHT ODOR IN THE COCKPIT. AFTER A FEW MINS F/AS CALLED AND SAID THEY SMELLED AN ODOR IN THE CABIN. ODOR DISSIPATED A FEW MINS LATER. ON FINAL FA OBSERVED DIRTY SOCK SMELL IN CABIN NOT IN COCKPIT. CORRECTIVE ACTION: C/W RECIRC FILTER CHANGE AND WORKCARD 2100-2007. SUSPECT ENG 2 OIL LEAK FROM WORK ACCOMPLISHED PRIOR TO FLIGHT. PERFORMED DECONTAMINATION LEVEL B . (6364868)

AIRCRAFT WAS GROUNDED: ON TAKEOFF TILL ABOUT 5000 FEET THERE IS A MUSTY DIRTY SOCK ODOR IN THE FLIGHT DECK AND CABIN. SMELL CLEARS UNTIL DESCENDING BACK THROUGH ABOUT 5000 FEET. THEN ODOR RETURNED TILL LANDING. ACCOMPLISHED SOF J/C 08L00021001, FOUND LEFT PACK SECONDARY HEAT EXCHANGER CRACKED. REMOVE AND REPLACED LEFT SECONDARY HEAT EXCHANGER. PER J/C 08L13121001, PURGE AIR FROM AIR CONDITIONING DUCTS, NO ADDTIONAL ODORS NOTED.

ODOR IN CABIN AND COCKPIT ON DESCENT INTO LGA. C/W "NO GO ODI" PREVENTION FOR SMOKE AND FUMES IN CABIN 1.PERFORMED T/S TO ISOLATE SMOKE AND FUMES IAW A220 W/C 0550- 2001. NO SMOKE AND FUMES DETECTED ALSO PERFORMED ISOLATE SMOKE AND FUMES APU W/C 0550-2002. NO FUMES DETECTED. R/R CABIN FILTERS PREVENTIVE IAW A220 AMP 21-22. (LP# 0853127)

SHORTLY AFTER TAKE-OFF FROM 22N A FUEL ODOR WAS NOTICED INSIDE THE CABIN AND COCKPIT. RETURNED TO BASE WITHOUT INCIDENT.

ELECTRICAL SMOKE IN CABIN DURING CLIMBOUT. MX C/A: MICROWAVE REMOVED AND INSPECTED, FOUND THE CANNON CONNECTOR LOOSE. NO ARCING FOUND ON CANNON CONNECTOR ON THE AIRFRAME SIDE OF THE GALLEY OR THE MICROWAVE. MICROWAVE FAILED OPERATIONAL TEST. REMOVED MICROWAVE PN 400-1338-02-L-N SN 22-10-34146 AND INSTALLED A CUSTOMER SUPPLIED "REPAIRED" MICROWAVE PN 400-1338-02-L-N SN 22-12-34653. WORK WAS PERFORMED IAW SMM 25-30-03 AND CMM 25-30-43. OPERATIONAL CHECK SATISFACTORY. NO FURTHER

FLT#2662, BGI-JFK. ODOR EVENT ON DESCENT NO VIS FUMES PUNGENT. ITCHY EYES PERSISTENT THROUGH LANDING AND AT GATE AT LEAST 8 CUSTOMER COMPLAINTS ( APU SYSTEM ).' (SUPPLEMENTAL INFORMATION TO FOLLOW)

FLT#267, BOS-CHS. 'LEVEL 2 ODOR EVENT ON DESCENT FROM 14,000 UNTIL LEVEL OFF AT 11,000 HEAVY DISTINCT ODOR OF VINEGAR AND MUSTY SOCKS; PER FIM 21-22-00-04 PERFORMED MULTIPLE ENG RUNS WITH NO ODOR NOTED. GVI OF ENGINES OK WITH NO SIGNS OF OIL LEAK. EACH ENGINE RUNNING PACK 1,2 OR BOTH, NO ODOR. APU BLEED, NO ODOR REF LP 4107857-A FOR GMM DEFERAL TO MONITOR.'

AC WAS OOS DUE TO DEFECT. FUME REPORT SEAT PLASTIC SMELL IN FLIGHT-PERFORMED TSA 05-05-00-810-831-A. IDENTIFICATION OD THE CAUSE FOR THE CABIN ODOR, SMOKE OR FUME. DURING INSPECTION FOUND ODOR COMING FROM COCKPIT PRINTER. CORRECTIVE ACTION: PERFORMED DEACTIVATION OF COCKPIT PRINTER AND PULL AND COLLARD CIRCUIT BREAK J21 IAW EA# A2-31R-39133. MEL 31-30+08A REMAINS OPEN.

(AIRCRAFT NOT GROUNDED) ODOR EVENT IN COCKPIT DURING FINAL DESCENT / EVIDENCE OF OIL LEAK FROM FCU DRAIN PORT DURING TASK CARD 21-000-002. R AND R APU FCU REF AMM 49-32-11-000-003-A AND AMM 49-32-11-400-003-A, OPS CHECK GOOD, LEAK CHECK GOOD, THIS CLEARS MEL 49-10-01A MDDR 208798, PLACARDS REMOVED. TC 21-000-003 COMPLETED (RESOLVED ON W/O: 516569 TASKCARD: NR-00001 ) CW TC 21-000-003ITEM: 1CW TC 21-000-003"

MUSTY ODOR REPORTED BY THE FLIGHT ATT STARTED AT THE AFT LAVATORY UP TO ROW 22 WE PROCEDED WITH ELIMINATER OF ODOR/ FUME PROCEDURE ENDING WITH RIGHT PACK OFF AND THE ODER WAS DISIPATED -PER TSM 05-50-00-810-831-A DESION TABLE POINTED TO TYPE 1 AS CAUSE OF ODOR, PERFORMED INSP OF APU PER AMM 49-00-00 NO DEFECTS NOTED RAN PACKS OFF APU NO SMELL NOTED -RAN BOTH ENGS PER AMM 71-00-00 NO SMELL NOTED FROM EITHER ENGS OR PACKS

100233382 - SMOKE CREW REST- ENGINE INDICATING AND CREW ALERTING SYSTEM ON TAKE OFF. PERFORMED FIRE SYSTEM TEST. ALL PASSED AND SMOKE DETECTORS OF THE CREW REST SELF TEST. ALL GOOD NO FAULTS NOTED IAW B747-400 AMM 26-13-00.

SMOKE LAVATORY SMOKE WARNING LIGHT. WENT OFF TWICE. NO SIGN OF FIRE OR SMOKE. BELIEVE IT TO BE A VAPING INCIDENT. SPOKE TO FLIGHT CREW, CONFIRMED PAX VAPING IN LAV. NO DISCREPANCIES NOTED. OK FOR CONT'D SVC. (LP: 7089420)

FLT#2137, JFK-STI. 'INFLIGHT REPORTS STRONG ODOR ON DECENT; FOLLOWED IFO NOTICED 2017-T015K AND BY DECISION TABLE FILED UP WITH THE MX-270 IT WAS DETERMINED THAT THE MOST PROBABLE CAUSE WILL BE ENG#2. OIL FOUND BEHIND THE INLET CONE FOLLOWING TSM 05-50-00-810-831-A. LEVEL B, TYPE 3. AND TSM TASK 71-00-00-810-801. OIL CLEANED. PERFORMED PACK BURN WITH APU BUT NO FILTERS CHANGED IAW AMM 21-00-00-615-802-A.'

3-5 MINUTES AFTER THE LEFT ENGINE START, BURNING ODOR OBSERVED AT ROW 3 AND ROW 15 IN THE CABIN BY CREW. NO MEDICAL ATTENTION WAS REPORTED. / REMOVED AND REPLACED ACM IAW AMM 21-51-18-000-801, 21-51-20-000-801, 21-51-08-000/400-801, OP€™S CHECK GOOD IAW 21-51-00-710-801, LEAK CHECK GOOD IAW 21-51-00-790-801.

SMOKE IN COCKPIT AT CRUISE ALT FOUND LH PACK RAM AIR DOOR ACTUATOR FAILED, CAUSING LH PACK DOOR TO REMAIN CLOSED POSITION DURING OPERATION. REF LP4096297 FOR MAINTENANCE CLEARING ACTION AND PARTS RPLCED INFO.

100183594 - ">SMOKE CREW REST" ENGINE-INDICATING AND CREW-ALERTING SYSTEM. PERFORMED ADJUSTMENT/TEST CREW REST SMOKE DETECTION SYSTEM IN REFERENCE WITH B747-400 KA AMM 26-14-50 OPERATIONAL CHECK GOOD NO FAULTS OR MESSAGES.

FLT#498, SEA-BOS. ' LEVEL 2 FUME EVENT NOTICED BY MULTIPLE CREW MEMBERS IN THE CABIN. DESCRIBED AS SWEET MAGIC MARKER SMELL ELIMINATING FROM A/C VENTS. COMPLIED W/ ODOR ISOL PROCEDURE. EVENT CAUSED EYE IRRITATION; C/W INFORMATION NOTICE 2017-T015, SECTION B2. IDENTIFIED ODOR TO BE OF TYPE 1, REF. DEFECT # 4257972, ITEM 1 (REMOVED AND REPLACED APU IAW AMM 49-11-11.OPS CHECK & LEAK CHECK STILL REQUIRED PER W/O #1396242 TC A320-49-11-11-400-004) FOR CORRECTIVE ACTION (APU CHANGE

COCKPIT AND CABIN FILLED UP WITH THICK WHITE SMOKE. CFR AND POLI CE CALLED. AT THE GATE.PERFORMED AN APU START UP AND NOTICED SMOKE IN THE COCKPIT AND THE CABIN AFTER 10 SECONDS OF STARTING UP WITH THE BLEED AIR ON. APU OIL IS READING ZERO. ALSO NOTICED SIGNS OF LEAKING OIL FROM THE APU AREA. IAW FIM 49-11 FAULT TREE NOTE SPECIFIC TOMC INSTRUCTION FOR THE SMOKE/ODOR IN FLIGHT DECK AND CABIN AMM 05-51-58-910-801-C1 PARA 1.D.(1) STEPS (B) AND (M) THRU (Q) AND PARA 1.D.(2) (A)(X

FLT#1186, JFK-ROC. LEVEL 2 FUME EVENT PERFOM DURING INITIAL CLIMB AND DURING DESCENT - INFLIGHT REPORTS STRONGEST SMELL AT ROW 9-16; REF FIM J21-22-00-04AAA-423A-A PERFORMED VISUAL INSP OF APU AND BOTH ENG, NO EVIDENCE OF OIL LEAK. PERFORMED PACK BURN AND NO ODOR NOTED FROM APU AND LH AND RH BLEED SOURCE.'

FLT#1199, LGA-MCO. 'DURING FINAL DESCENT THROUGH CLOUDS FLIGHT DECKAD MODERATE DIRTY SOCK ODOR FUME CONTINUED DURING DESCENT TURNED PACK 1 OFF POSSIBLE IMPROVEMENT; REVIEW OF AML AND TRAX SHOWS NO 30 DAY HISTORY. COMPLIED WITH INFO NOTICE 2017-T015 SEC A ISOLATED TO TYPE 10 (AMBIENT AIR) PER TSM 05-50-00-810-085-B/ TMS 05-50-00-081-085-D A/C OK FOR SERVICE. RAN ENG'S AND APU ISOLATED ALL BLEED SOURCES AND PACKS NO ODOR PRESENT.'

SHIP 3006 AT GATE, PRIOR TO CLOSING BOARDING DOOR, SMOKE WAS DETECTED IN THE AFT GALLEY AND REPORTED COMING THROUGH GASPERS TOWARDS THE MIDDLE OF THE CABIN. BURNING RUBBER SMALL THAT DISSIPATED WHEN APU BLEED TURNED OFF. CORRECTIVE ACTION: INSTALLED NEW RECIRC AIR MIX MANIFOLD PER A321 AMM 21-21. PERFORMED LEVEL B DECONTAMINATION PER A321 AMM 21-00. DETERMINED APU AS SOURCE OF SMELL, SMELL GONE WITH NO BLEED SOURCE FROM APU. R/R CABIN RECIRC FILTERS PER A321 AMM 21-21. (63468

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO MCO DUE TO AN AIRCRAFT ELECTRICAL ODOR IN THE CABIN WHICH INCREASED IN INTENSITY AND SPREAD FROM ROW 20 TO THE AFT OF THE AIRCRAFT. THE AIRCRAFT LANDED SAFELY AT MCO AND TAXIED TO THE GATE. MAINTENANCE ACCOMPLISHED SOF TROUBLESHOOTING TASK CARD 08L00021001, PERFORMED AN OPERATIONAL TEST OF EMERGENCY EXIT HATCH AND DOOR AREA HEATERS PER AMM 21-45-00, RESET THE ISPS PER AMM 23-81-05-700-801C1, PERFORM

COCKPIT ODOR: WHILE PROGRAMMING THE AIRCRAFT FOR OUR NEXT FLIGHT, WE NOTICED A DISTINCT ODOR IN THE COCKPIT; POSSIBLY ELECTRICAL IN NATURE. WE NOTICED A SLIGHT HAZE IN THE COCKPIT. WE POWERED DOWN THE AIRCRAFT UPON DISCOVERY. APU POWER, BLEED AIR, AND INTERIOR HAVE ALL BEEN POWERED ON FOR 30 MINUTES PLUS, IN ADDITION TO PREVIOUS FLIGHT. THE ODOR PURSISTED SEVERAL MINUTES AFTER THE SECURING CHECKLIST. PERFORMED OPS CHECKS. NO DEFECTS NOTED. UNABLE TO DUPLICATE. REPLACED HEPA F

FLT#1780, FLL-DCA. FA'S REPORTED RUBBER BURNT ODOR MID TO AFT CABIN PRIOR TO TOD. ODOR WAS STRONG IN NATURE AND BEGAN AFTER T/O AND CEASED OUT OF FL200 IN THE DESCENT. SEE CABIN ODOR REPORT FORM FOR MORE DETAILS; ACCOMPLISHED TSM 05 50 00 991 00 A TSM 05 50 00 810 831 A AND FOUND TO BE CORRECTIVE ACTION TYPE 9. CONTINUED AND ACCOMPLISHED TYPE 9 AND TYPE 10 INSPECTIONS INCLUDING CB CHECKS, INTERIOR AND CARGO LIGHTING - READING AND EMER LIGHTING, GALLEY AND LAV EQUIPMENT AND LI

DURING STARTUP OF AIRCRAFT N708FE ON FLIGHT 8129 BQN-POS, THE CREW NOTICED A HAZE IN THE COCKPIT THAT SMELLED LIKE SMOKE ALONG WITH THE CAPTAIN'S SIDE INTERCOM AND MICROPHONE NOT WORKING. THE CREW SHUTDOWN THE AIRCRAFT AND MAINTENANCE BEGAN TROUBLESHOOTING. BQN MAINTENANCE COMPLETED AN ENGINE RUN SUCCESSFULLY ON N708FE WITH NO SMOKE DETECTED.

IN FLIGHT STRONG ELECTRICAL BURNING SMELL IN COCKPIT AND FWD CABIN FACT 05MAR25 22:13 ORF REMOVED AND INSPECTED RELAY PANELS NO DEFECTS NOTED. RAN PACK ON ENGINES AND APU 15 MIN IDLE/15MINUTES 63% N1 NO DEFECTS NOTED AC OK FOR SERVICE

SMOKE IN THE CABIN AT ROTATION. AN EMERGENCY WAS DECLARED WITH THE TOWER AND THE AIRCRAFT RETURNED TO KOMA. THE AIRCRAFT LANDED WITH NO ISSUES AND WAS GREETED BY THE FIRE DEPARTMENT ON THEIR RETURN. THE FIRE DEPARTMENT INSPECTED THE AIRCRAFT AND FOUND NO SIGNS OF ANY HOT SPOTS. POSSIBLE CAUSE IS THAT DE-ICING FLUID GOT INTO THE SYSTEM FROM THE ENGINE INLET.

AT APPROXIMATELY 1420 THE AIRCRAFT DEPARTED OSA ON A NO PASSENGERS ON THE AIRCRAFT REPOSITIONING PART 91 FLIGHT ENROUTE TO GGG. THE AIRCRAFT CLIMBED TO 5,500’ FOR THE VFR FLIGHT. SHORTLY AFTER LEVELING AT ALTITUDE, THE CREW GOT A MASTER WARNING LIGHT FOR LOW OIL PRESSURE ON THE LEFT ENGINE. THE OIL PRESSURE GAUGE READ ZERO. THE CREW BROUGHT THE LEFT THROTTLE TO IDLE. AS THE CREW WAS ANALYZING THE OIL PRESSURE AND OIL TEMP GAUGES, THEY NOTICED A LIGHT WHITE SMOKE, WITH A BURNI

SHIP 3058 APU BLEED HAD A BURNING RUBBER SMELL AS WE TURNED IT ON AT THE GATE, CREW TURNED IT OFF. CORRECTIVE ACTION: REFER TO MD LOG #0839531 FOR CORRECTIVE ACTION.(6896442)

AIRCRAFT EXPERIENCED A LEFT ENGINE POWER FLUCTUATION DURING CRUISE AT 3,500 FEET, EN ROUTE FROM ROTA (GRO) TO SAIPAN (GSN). THE PILOT-IN-COMMAND (PIC) OBSERVED MANIFOLD PRESSURE FLUCTUATIONS BETWEEN 28-22 INCHES OF MERCURY AND NOTED INCONSISTENT ENGINE POWER. WHITE/BLUE SMOKE WAS SUBSEQUENTLY OBSERVED EMANATING FROM THE LEFT ENGINE. THE AIRCRAFT RETURNED TO ROTA (GRO) WITH THE LEFT ENGINE OPERATING AT APPROXIMATELY 75% POWER. POST-FLIGHT INSPECTION REVEALED A SHEARED AND SEPA

INTERMITTENT BURNING ELECTRICAL SMELL ON TAXI IN FLIGHT DECK AND CABIN WITH PACKS SELECTED ON. FACT 04MAR25 19:13 CLT OPERATED PACKS IAW 21-00-00-860-801-A FOR APPROX 20 MINUTES NO SMELL DETECTED. A/C OK FOR SERVICE.

AIRCRAFT WAS NOT GROUNDED: LAVATORY SMOKE WARNING EN ROUTE WHICH CLEARED WITHIN 30-45 SECONDS, NO SMOKE, FUMES OR VAPES REPORTED BY FLIGHT ATTENDANTS AFTER INSPECTION OF LAVATORY. MAINTENANCE ACCOMPLISHED AN OPERATIONAL CHECK OF THE LAVATORY SMOKE DETECTION SYSTEM PER TASK 26-17-00-710-001-A, WITH NO FAULTS OR DEFECTS NOTED.

SHIP 9519 -ATB/FUME/DE- DURING CLIMB OUT AT ABOUT 10K FEET, THE FLIGHT CREW DECLARED AN EMERGENCY WITH ATC AND RETURNED TO MEM DUE TO UNKNOWN ODOR THROUGHOUT THE CABIN. CORRECTIVE ACTION: MAINTENANCE DISCOVERED THAT THE BUFFER AIR VALVE ON THE #2 ENGINE WAS VERY STIFF IN IT'S OPERATION AND REPLACED IT. THE ODOR WAS REMOVED AND THE AIRCRAFT RETURNED TO SERVICE. (LP #7109314)

ODOR OF HOT ELEC FROM AREA OF AFT COFFEE MAKER 419/420. NO SMOKE . SMELL DISPATD W/ PWR OFF. TOMC UPDATE: LOCKED LP. PLEASE PERFORM SMOKE/ODOR IN THE FLIGHT DECK/CABIN - CONDITIONAL INSPECTION REF AMM 05-51-26-800-801-C1. OBTAINED BRIEFING FROM FLIGHT ATTENDANTS IN AFT GALLEY, AT 10K FEET, TURNED ON 419 AND 420 COFFEEMAKERS INCLUDING 424 AND 425 OVENS. PLASTIC SMELL WAS THEN IN THE CABIN AIR. ATTENDANTS TURNED OFF APPLIANCES AND PLASTIC SMELL DISSIPATED AFTER 1.5 HOURS DURING

APPROXIMATELY ONE MIN AFTER TAKEOFF FWD FLIGHT ATTENDANT REPORTED VERY STRONG SMELL OF BURNING WIRES IN FWD GALLEY, DID NOT REPORT SMOKE. RETURNED TO COS. FLIGHT ATTENDANT REPORTED THE SMELL LASTED ABOUT 5 MINUTES. (FLIGHT 5325 - FILED CLOSED) THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 29730555 WITH THE FOLLOWING CORRECTIVE ACTION: "SEE FOLLOWING CP'S FOR CORRECTIVE ACTIONS:29733068297331992973319729732255"

SHIP 8131 -ATB- RETURNED BOS DUE TO DIRTY SOCK SMELL ON CLIMB OUT. CORRECTIVE ACTION: T/S PER ODI WORKCARDS. C/C/O BORESCOPE INSP OF ENGINES. FOUND SLIGHT STAINING ON NBR 2 ENGINE HPC BLADES. ENGINE CHANGED. (LP# 6481648, 0837145, 0837812, 6481657)

SHIP 3142 - SMKE - SMOKE REPORT IN FLT DECK JUST AFTER LANDING. DECLARED EMERGENCY AND DONNED O2 MASKS. FAS ALSO REPORTED LIGHT HAZE IN AFT CABIN. CORRECTIVE ACTION: FOUND APU INLET CONTAMINATED WITH OIL. APU DEFERRED TO MEL. REVERSE DUCT BURN AND LEVEL B ECS DECONTAMINATION PERFORMED. REPLACED RECIRC AND OZONE FILTERS. (LP: 6694416)

SHIP 1802 -SMKE- CABIN CREW REPORTED BRIEF SMOKE FROM AFT GALLEY OVEN DURING SECOND MEAL SERVICE. OVEN SECURED OFF. CIRCUIT BREAKERS PULLED. RECIRCULATION FANS SELECTED OFF. FLIGHT CREW DONNED OXYGEN MASKS TEMPORARILY. CORRECTIVE ACTION: REPLACED AFT GALLEY OVEN POSITION A509.

CREW REPORTED- DURING CLIMB AROUND FL210, WE NOTICED SMOKE COMING OUT OF MOSTLY LEFT SIDE VENTS. APPROXIMATELY 10-15 SECS LATER, WE GOT A CALL FROM FA IN REGARDS TO SMOKE IN CABIN AROUND ROW 7-11 BOTH SIDES. PASSENGERS HEARD LOUD BANG AND METAL GRINDING NOISE POSSIBLY COMING WHERE THE GEARS ARE. CORR ACTION- NO EXTERNAL DEFECT FOUND. FURTHER GAINED ACCESS TO #1 ACM, PERFORMED GENERAL VISUAL INSPECTION. CHECKED FOR DEFECTS, EVALUATED AND FOUND DEBRIS INSIDE THE CONDENSER MIXER

SHIP 3064 AFTER LANDING COCKPIT & CABIN FILLED WITH HAZE AND SMELT PLASTIC BURNING SMELL, DISSIPATED WITHIN 5 MINS, A/C SMOKE & FUME. CORRECTIVE ACTION: PERFOMRED GENERAL WALK AROUND OF A/C AND GVI OF ALL E/E COMP. AND FWD & AFT CARGO. NO OBVIOUS DEFECTS NOTED. TYPE 10 INSPECTION C/W PER W/C 0550-2002 PERFORMED LEVEL A DECONTAMINATION PER W/C 2100-2007, NO SMOKE OF FUME'S NOTED. MCC NOTIFIED. OK FOR SERVICE. (6442010)

(LOG 6943068) ON ARRIVAL ACS NOTICE SMALL FLAME ON ENG 1 EXHAUST. FLIGHT CREW PERFORM DRY MOTOR TO SUCCESSFULLY BLOW OUT TAILPIPE FIRE. PERFORMED AFTER ENG FIRE INSPECTION REF B737 71-00-00-800-803-F00, FIRE/SMOKE LOCATED INSIDE THE EXHAUST PLUG OF THE ENGINE FOUND TO BE DUE TO OIL ACCUMULATION IN THE EXHAUST PLUG CAVITY. FLAME ARRESTOR VISUAL INSPECTION CHECKS GOOD, HONEYCOMB PRESENT NOT DETERIORATED, ENGINE SERVICEABLE. PERFORMED ENGINE IDLE RUN REF 71-00, OPS CHECK GOOD.

ON TAXI IN AFTER APU START, SMELLED AN ELECTRICAL SMELL IN THE COCKPIT AND CABIN. F/AS NOTICED A VERY LIGHT HAZE. HAZE AND SMELL STARTED TO CLEAR WITH NO ACTION AFTER 1-2 MINUTES. RAN APU AND SWAPPED BETWEEN APU AND EXT POWER. NTF. RAN ENGINES W/O APU FOR A WHILE TO TRY AND DUPLICATE FAULT CONDITIONS. TURNED ON APU. CYCLED BETWEEN ENG AND APU BLEED /POWER. NTF. VERIFIED RECIRC FAN AND FILTERS WORKING AND IN GOOD CONDITION. RAN APU FOR EXTENDED PERIOD. NTF. C/W ENGINE RUN FOR

FLT#1528, POP-JFK. (AIRCRAFT DIVERTED TO MCO AND DECLARED AN EMERGENCY). 'FORWARD GALLEY ELECTRICAL BURNING ODOR. THE FLIGHT ENTERTAINMENT CONTROL PANEL WENT BLANK/INOP AND WAS WARM TO THE TOUCH; C/W FIM 21-22-00. ODOR CONFIRMED TO NOT BE FROM AN ENG, APU, OR ECS. NARROWED SOURCE OF ELECTRICAL SMELL TO IFE ICMT AT L1 DOOR MONUMENT. SCREEN INOP W/ REST OF SYSTEM POWERED. DUE TO FINDING, IFE ICMT REQ'S R/R. REF LP 4233198, ITEM 1 (REMOVED AND REPLACED ICMT PER 44-21-11. OPS NOR

FLT#448, LAS-JFK. 'ODOR NOTICED BY THE # 1 ON DESCENT (12,000) IN THE AFT GALLEY, PERFORMED ODOR ISOLATION GAIDANCE IN THE FCOM. ODOR WAS TEMPORARY. FLIGHT ATTENDANT DID NOT NOTICE IT ANYMORE ONCE PACK 2 WAS TURNED OFF. SMELL WAS DESCRIBED AS BURNT RUBBER SMELL; PERFORMED DETAILED VISUAL INSPECTION OF APU COMPARTMENT IAW AMM 49-13-00. CIMPLIED WITH INFORMATION NOTICE 2017-T015, SECTION A.MISOLATED FAULT TO TYPE 10 MISCELLANEOUS ODOR. PERFORMED LEVEL A DECONTAMINATION OF A/C P

FUME EVENT DURING CLIMB REPORTED BY ALL FA IN CABIN ISOLATED PACK 2 AND CONTINUE FLIGHT-CW AQE TROUBLESHOOTING IAW TSM 05-50-00 FOUND THE SOURCE OF THE AQE COMING FROM PACK 2. REF LP 3605715-2 FOR PACK 2 MEL A/C OK FOR SERVICE MOC 106411. DESCRIPTION OF FUMES/ODOR: TEMPORARY, CHEETOS SMELL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. AFT CABIN. NO VISIBILE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.

CREWMEMBER REPORTED FUEL ODOR IN CABIN.MECHANIC INSPECTED AIRCRAFT FUSELAGE AND ENGINES FOR FUEL LEAKS. PERFORMED GROUND RUN AND WATCHED FOR ANY LEAKS. NO EVIDENCE OF FUEL LEAKS OR FUEL SMELL FOUND. AIRCRAFT RETURNED RO SERVICE AND THERE ARE NO COMPONENTS CAUSING DIFFUCULTY OR DAMAGED.

AFT CHILLERS CAUSING SMOKE CB PULLED SMOKE AND ELECTICAL ODOR DISAPATED VERIFIED NO SMOKE OR ODOR WITH CHILLER DEACTIVATED REQ TOMC APRVL TO DEF BOTH CHILLER IN AFT GALLEY DDP C/W CB PULLED AND SECURED NOC.NEF 2520NB APPROVED DEFERRED AFT GALLEY CHILLER PER NEF DID OPS CHECK OF AFT GALLEY CHILLER PER AMM 25-33-00-730-801 ISSUE COULD NOT BE DUPLICATED RAN CHILLER FOR 1 HOUR OPS CHECKED GOOD NO SMELL OR BREAKERS POPPED R&R AFT GALLEY CHILLER IN CARGO PIT DUE TO SMELL OF SMOKE I

FLT#571, BOS-CUN. 'UPON RECEIPT OF ACFT FROM INBOUND CREW, FA1 ASKED IF THE BRAKE ISSUE (SEE PREVIOUS WRITEUP) WAS RELATED TO AN ODOR THEY HAD AT MID CABIN APPROX. 8 MINS BEFORE LANDING, SAID FA3 AND FA4 SMELT A STRONG ODOR LIKE CAR EXHAUST THROUGH LANDING ROLLOUT THEN IT WENT AWAY. I CALLED MX CONTROL TO GIVE THEM THIS INFORMATIONS AS IT MIGHT BE RELATED TO THE BRAKE ISSUE, MX CONTROL SAID WITH THE AMOUNT OF CURRENT ODOR REPORT. DID SPEAK TO PREVIOUS CA WAS UNAWARE OF THE OD

SHIP 9502 -ATB/IFSD/DE- THE FLIGHT CREW DECLARED AN EMERGENCY WITH ATC AND RETURNED TO ATL DUE TO SMOKE IN THE CABIN. CREW REPORTED RIGHT ENGINE OIL QTY WENT TO ZERO WITH SMOKE IN CABIN. CREW SHUTDOWN RIGHT ENGINE PER QRH. AFTER LANDING PAX EVACUATED AIRCRAFT USING SLIDES WHILE STILL ON RWY 27L. CORRECTIVE ACTION: ENGINE WAS REPLACED. (LP #6411298)

AIRCRAFT WAS GROUNDED: AIRCRAFT DIVERTED TO OKC DUE TO THE FLIGHT CREW REPORTING THAT THE CARGO SMOKE FORWARD AND AFT DISCHARGE LIGHTS ILLUMINATED WITHOUT ANY ASSOCIATED ECAM. **SUPPLEMENTAL REPORT FOR AALA202502275537: MAINTENANCE REPLACED THE CARGO FIRE -EXTINGUISHER BOTTLE PER AMM 26-23-41. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.** (CLOSED)

FLT#671, BOS-CUN. 'PASSING THROUGH 10K FEET DURING DESCENT STRONG ODOR FROM FLT DECK THOUGH MID CABIN. SMELLED LIKE BURNING PLASTIC.#2 FA HAD THIS SAME PLANE AND HAD THE SAME ODOR AT THE SAME POINT OF THE FLIGHTS. ODOR DISSIPATED AFTER LANDING. SEE ODOR REPORT; COMPLIED WITH INFORMATION NOTICE 2017-TO15, SECTION B1 N07 ODOR FOUND AND NOT COLLECTIVE ACTION NEEDED. DECONTAMINATION LEVEL A WAS ACCOMPLISHED PER TSM 05-50-00. AIRCRAFT IS OK FOR SERVICE.'

DIRTY SOCK SMELL IN COCKPIT AND AFT CABIN ON FINAL APPROACH -9000FT. -PERFORMED OPS CHECK PACK 1 AND PACK 2 WITH APU BLEED NO ODOR PRESENT AND PERFORMED OPS CHECK AT PACK 1 AND PACK 2 WITH ENG 1 AND ENG 2 AND NO ODOR PRESENT IAW TSM 05-50-00-810-831 MOC # 64493 DESCRIPTION OF ODOR/FUMES: PERSISTENT DIRTY SOCKS SMELL. APPARENT CABIN SOURCE:UNKNOWN. FLIGHT DECK. FWD CABIN, AFT CABIN, AND MID CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.

AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED DIRTY SOCK SMELL IN THE FLIGHT DECK AND CABIN ON CLIMB OUT AND DESCENT. **SUPPLEMENTAL REPORT FOR AALA202502271183: MAINTENANCE FOUND THE APU LEAKING OIL FROM THE V BAND AND REPLACED THE APU PER TASK CARD 26L31049003. A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM WAS ACCOMPLISHED PER TASK CARD 26L00021014. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO LEAKS OR ODOR NOTED. ** (CLOSED)

ENGINE CYLINDER #2 CRACKED ACROSS COOLING FINS. CREW NOTICED LOSS OF POWER/SHUDDER. BURNING SMELL COMING THROUGH CABIN AIR VENTS.

CREW REPORTED ABNORMAL SMELL IN THE REAR CABIN DURING OPERATING OF THE BLEED HEATING. TURNED THE HEATING OFF AND CONTINUED ON RTB LEG. LANDED WITHOUT INCIDENT, CALLED MAINTENANCE TO INVESTIGATE.

CREW REPORTS ODOR IN CABIN AFTER BLEED SWITCH FROM ENG DURING TAXI IN. NSP # 1 & 2 ENGINE AND APU /COMPARTMENT NO OIL CONTAMINATION NOTED. PERFORMED WORK CARD 0550-2001 , WITH # 1 & 2 ENGINES RUNNING AND PACKS ON STARTED APU AND BLEED BRIEF ODOR FOR 30 SECONDS IN COCKPIT AND FWD CABIN . ALL OTHER CONFIG NO ODORS. PERFORMED WORK CARD 0550-2003 ESC DECONTAMINATION POST SMOKE/ FUME WITH APU OFF . SMOKE AND FUME TEST KIT (TER93579) READINGS IN COCKPIT W/APU ON WAS 4870 PARTICLES

AIRCRAFT WAS GROUNDED: FLT ATTENDANTS COMPLAINED OF AN ODOR IN THE CABIN DURING CRUISETHROUGH WEATHER AND IN THE DESCENT MOST PRONOUNCED IN AFT CABIN. **SUPPLEMENTAL REPORT FOR SDR AALA202502285271.** (CLOSED) MAINTENANCE PERFORMED DETAIL INSPECTION AND CLEANED APU AS REQUIRED IAW J/C 26L00021002 AND 26L00021014. LEAK CHECK AND OPS CHECK GOOD.

FLT#2126, MLB-FLL. 'FUMES ODOR NOTED ON DESCENT FOR SEVERAL MINUTES. DECREASED AT HIGHER THRUST SETTING. FLT ATT'S REPORTED STRONG ODOR IN AFT CABIN; SEE LOG PAGE 4247507, ITEM 2 (ACCOMPLISHED ECS LEVEL B DECONTAMINATION IAW AMM 21-00-00-615-803. REF L/P # 4247508 ITEM #1 FOR OPERATIONAL TEST AND ASSURANCE) ECS LEVEL B DECONTAMINATION ACCOMPLISHED , OPS CHECK AND ASSURANCE TEST SATISFACTORY. COMPLIED WITH INFORMATION NOTICE 2017-T015 PER TSM 36-11-00.'

FLT#1169, JFK-PUJ. DURING APPROACH INTO PUJ DESCENDING THROUGH 3000 FT FA'S REPORTED A CABIN ODOR. SWITCHED TO APU BLEED AND TURNED OFF CABIN FANS. ODOR DID NOT DISSIPATE BEFORE LANDING NO ODOR IN COCKPIT AIRCRAFT FLYING THROUGH CLOUDS AND RAIN SHOWERS DURING EVENT; ACCOMPLISHED INFO NOTICE 2017-TO1SK ACCOMPLISHED INSPECTION OF APU FOR LEAKS. NO LEAKS NOTED SMELL DISSIPATED AFTER LANDING. NO OTHER DEFECTS NOTED COMPLIED WITH INFO ROTEES 2017-T01S SECTION A ISOLATED FAULT TO T

AT ROTATION + INITIAL CLIMB OVERLY STRONG FUMES / ODOR ENTERED THE CABIN + FLIGHT DECK. LASTED ABOUT ONE MINUTE + GRADUALLY DISSIPATED. NOTICE A SIMILAR ODOR WHEN #2 ENG WAS SHUT DOWN DURING TAXI - IN. GROUNDED - YES. AIR TURNBACK - RECEIVED TURNOVER FROM FLIGHT CREW, CREW STATED FUMES WERE SO BAD THEY ALMOST USED O2 MASKS. FUMES DISSIPATED MOMENTS BEFORE DONNING OF MASKS. FWD FLIGHT ATTENDANTS DID NOT SMELL BUT AFT FA'S AND PASSENGERS SMELT FUMES. ACCOMPLISHED AMM TASK 21-00

AIR CONDITIONING DIRTY SOCK SMELL BELOW 13000 ON DEPARTURE AND A RRIVAL NEED TO DF PACK 1 APPROVED FOR MEL 3152W CREW DID SAY THE SMELL WAS FROM PACK 1 COMPLYED WITH MEL 2152W . DUE TO PREVIOUS HISTORY NEED POSITIVE FIX, NOT JUST AN OPS CHECK *DM* UPDATED M/L WITH AIR RECIRCULATION HEPA FILTER 4012HM IN CASE NEEDED... ONLY SMELT IN COCKPIT, NO ODOR IN CABIN UNLOCKING FOR SIGN OFF ACP LEVEL ( A) DECONTAMINATION OF ENVIRONMENT CONTROL SYSTEM PER MM21-00-00-615-802-A USING APU A