# SDR ABXA20260428180

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2026
- Submitted: April 29, 2026
- Operation: Air carrier
- Aircraft: [N371CM](https://openairdocs.org/aircraft/N371CM), registered now
- Make and model: Boeing 767338
- Aircraft serial: 25577
- Aircraft time: 92,613 hours, 32,257 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Faulted
- Location: Lt Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20260428180

## Discrepancy

ON CREW PREFLIGHT, L ENG OH LP 2 EICAS(S).  MAINTENANCE CONDUCTED CIRCUIT BREAKER RESET OF L OVERHEAT CARDS PER AMM 20-61-01, THEN CONDUCTED OPERATIONAL TEST OF ENGINE FIRE DETECTION PER AMM 26-11-00.  FAULT DID NOT RETURN.  A/C VERIFIED ETOPS 120.  A/C RETURNED TO SERVICE.

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