# SDR AALA202208025237

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2022
- Submitted: August 2, 2022
- Operation: Air carrier
- Aircraft: [N750AN](https://openairdocs.org/aircraft/N750AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30259
- Aircraft time: 82,375 hours, 10,579 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Chip Detector
- Condition: Faulty
- Location: Zone 400 - Nac/P
- Stage of operation: CR
- How discovered: V
- Nature of condition: J, Y
- Precautionary procedure: A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202208025237

## Discrepancy

AIRCRAFT WAS GROUNDED: LEFT ENGINE OVERHEAT AT CRUISE FL 390. SHUTDOWN ENGINE PER CHECKLIST AND DIVERTED TO LAX. EMERGENCY WAS DECLARED. REPLACED AFT CORE FIRE LOOP (AALA202208010818) PER AMM 26-11-01. MAINTENANCE MESSAGE 26-10011 FIRE DETECT CARD HAS INTERNAL FAULT. REPLACED LEFT ENGINE FIRE DETECT CARD (AALA202208025237) PER MM 26-11-03.

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