AT CRUISE FL380 RT ENG OVERHEAT ON EICASCREW REPORTED E2 ENG OVERHEAT ON EICAS AT CRUISE. ALL EGT IN NORMAL RANGE, FOLLOWED QRH AND RETARDED THROTTLE TO 60% N1 AND MSG DISAPPEARED. CREW DID NOT ADVANCE THE THROTTLE AGAIN. PERFORMED FIM 26-11 FAULT TREE 803. NO DISCREPANCIES FOUND. ADD EMP:U413997,U414020 ADDED PHOTOS. FOUND CRACK TO BE WITHIN LIMIT PER AMM 72-52-05-206-001-R00. TROUBLESHOOTING NEEDS TO CONTINUE. PER LAX TECH SUPPORT & FIM 26-11 FAULT TREE 803, PRESSURIZED UPSTREAM OF THE PRSOV ON #2 ENG TO CHECK FOR LEAKS REF AMM TASK 36-11-09-782-030-001. FOUND LEAK COMING FROM AFT CLAMP OF INTERMEDIATE PRESSURE CHECK VALVE. VALVE IS LOCATED FWD OF THE PRECOOLER, ON MID PYLON. FIRE DETECTION OVERHEAT TEST ACCOMPLISHED PER FIM 26-11 FAULT TREE 802 NO FAULTS NOTED. REMOVED E2 INTERMEDIATE PRESSURE CHECK VALVE TO CHANGE E-SEALS AND RETORQUE CLAMPS. FOUND AFT CLAMP STRIPPED, AND E-SEALS WARPED. REINSTALLED #2 ENG IP CHECK VALVE WITH NEW E-SEALS AND A NEW AFT CLAMP REF AMM TASK 36-11-06-404-019-001 UP TO STEP 3.E.(8.) LEAK CHECK REQUIRED. PERFORMED LEAK CHECK OF #2 ENG IP CHECK VALVE PER AMM REF 36-11-06-404-019-001. OPS CHECK GOOD. NO LEAKS DETECTED. WILL REQUIRE HIGH POWER ENGINE RUN TO VERIFY ORIGINAL OVERHEAT DISCREPANCY HAS BEEN RESOLVED. PERFORMED ENG RUN (ENG 2) WEATHER) REFERENCE: TASK 71-00-00-862-117-R00…OPS CHK GOOD NO FAULTS NOTED
| Incident date | January 9, 2025 |
|---|---|
| Airline | CALA |
| Flight | FL380 |
| Aircraft | BOEING 757324 |
| Registration | N74856 |
| Affected area | Engine |
| Event type | Fire |
| Verification | Official |
Sources
- FAA SDR: CALA fire report on 2025-01-09 (external.apic4e.faa.gov)
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