ENGINE HAS EXPERIENCED AN INCREASE IN OIL CONSUMPTION. ACCOMPLISHED A SNIFF CHECK OF OIL FOR FUEL ODOR IN THE OIL SYS, IAW AMM 12-13-01-130-803-002, STEP F.(1). ACCOMPLISH FIM 71-05/805 TO TROUBLESHOOT FOR HOC. PERFORM TEST NR 6. POWER LEAK CHECK WITH ALL DRAIN LINES BAGGED TO IDENTIFY IF CARBON SEALS ON AGB ARE LEAKING. STAY AT 70% N1 FOR 10 MIN BEFORE REDUCING BACK DOWN TO IDLE. IF THE GEARBOX SEALS ARE LEAKING, CAP THE ASSOCIATED DRAIN LINES AND DIP FOR 25 CYCLES PER AMM 71-71-00-700-801-H01. PLEASE REPORT ANY FINDINGS OR ACTIONS WITHIN THIS LOG PAGE. ESCPP@UNITED.COM, 847-700-8324 OPT 4. CARRIED BY ELB ESCPP UPDATE: TEST NO 6 NOT NEEDED AT THIS TIME SINCE OIL CONSUMPTION IS WITHIN LIMITS AS STATED IN AMM ENGINE OPERATION LIMITS SUBTASK 71-00-00-800-024-H01. ALSO, ENGINE DID NOT HAVE A SUDDEN INCREASE (>0.66 QT/HR) IN ONE FLIGHT. ACCOMPLISH A SNIFF CHECK OF THE OIL FOR FUEL SMELL IN OIL SYSTEM, REF. AMM 12-13-01-130-803-002 STEP F.(1). NO DEFECTS NOTED. REMOVED AND REPLACED ENGINE 2 MAIN OIL TANK MODULE PACKING IAW IPC 79-11-01-02, ITEM 220 (ME 25-7911-3-0023) FOR PRECAUTIONARY. PERFORM VISUAL INSPECTION OF ENGINE OIL SYSTEM WITH FAN COWL AND THRUST REVERSERS OPEN IAW AMM 79-00-00-200-802-H01. NO LEAKAGE OR DEFECTS NOTED.
| Incident date | December 8, 2025 |
|---|---|
| Airline | CALA |
| Flight | AMM12 |
| Aircraft | BOEING 777300ER |
| Registration | N2332U |
| Affected area | Engine |
| Event type | Fumes or Odor |
| Verification | Official |
Sources
- FAA SDR: CALA fumes or odor report on 2025-12-08 (external.apic4e.faa.gov)
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