RT ENG OVRHT LIGHT ILLUMINATED ON CLIMBINSPECTED CORE AREA OF #2 ENGINE FOUND CORE UPPER FIRE LOOP TOUCHING SENSE LINE TO PRSOV, ADJUSTED POSITION OF CLAMP, RAN ENGINE. OVERHEAT LIGHT CAME ON AFTER 3 MINUETS AT 85% N1, WENT OUT AFTER THROTTLE BACK TO 83%, THEN BACK ON AT 85%. NEEDS FURTHER TROUBLESHOOTING. APPLIED DEVELOPER ON ALL SUSPECTED AREAS THAT MAY BE LEAKING. CHECKED ENGINE FIRE DETECTION RESISTANCE PER AMM 26-11-00-730-801 ALL IN LIMITS. REPLACED PRECOOLER UPSTREAM DUCT SEAL AND CLAMP AT PRECOOLER DUE TO SUSPECT LEAKS WITH AMM 36-12-01. CHECKED ALL PYLON CONNECTIONS. RAN ENGINE AT 85% FOR 3 MINUTES AND OVERHEAT LIGHT CAME BACK ON WITH AND WITHOUT BLEED SWITCH ON AND WENT OFF AT 80%. AFTER ENGINE RUNS NOTICED SIGNS OF BLEED LEAK AT 5TH STAGE CHECK VALVE. REPLACED BOTH SEALS AND CLAMPS PER AMM 36-11-02. REPLACED UPPER CORE FIRE DETECTION HARNESS WITH AMM 26-11-02. OPS CHECKS GOOD. RAN ENGINE 85%. FOR 3 MINUTES THEN TAKEOFF POWER FOR 1 MINUTE AND OVERHEAT LIGHT CAME NEEDS FURTHER TROUBLESHOOTING FIM 26-10 TASK 811 COMPLETED UP TO STEP D 4. DID NOT COMPLETE ENGINE BLEED AIR SYSTEM HEALTH CHECK. FIM 26-10 TASK 811 COMPLETED THRU ENTIRE ENGINE BLEED AIR SYSTEM HEALTH CHECK. ALL CHECKS TEST STATISFACTORY, NO FAULTS FOUND. REQUIRES FURTHER T/S VERIFIED SEVERIFIED RII REQUIREMENTS HAVE BEEN MET. REMOVED AND REPLACED #2 ENG. OPS AND LEAK CHECKS GOOD. ALSO PERFORMED A POWER ASSURANCE CHECK TEST 5 PER AMM 71-00-00-700-813-F00. CHECKS GOOD. OKAY FOR CONTINUED SERVICE
| Incident date | July 11, 2025 |
|---|---|
| Airline | CALA |
| Flight | AT85 |
| Aircraft | BOEING 737824 |
| Registration | N35271 |
| Affected area | Engine |
| Event type | Fire |
| Verification | Official |
Sources
- FAA SDR: CALA fire report on 2025-07-11 (external.apic4e.faa.gov)
This entry summarizes publicly reported information and links to the original reporting or official record. Details can change as authorities and operators release additional information.