# SDR AALA202212223404

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2022
- Submitted: December 22, 2022
- Operation: Air carrier
- Aircraft: [N753AN](https://openairdocs.org/aircraft/N753AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30261
- Aircraft time: 82,498 hours, 10,566 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 4735911
- Condition: Fault Message
- Location: Zone 400 - Nac/P
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202212223404

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: EICAS MESSAGE Ï¿½DETECTOR ENGINE FIRE LEFT". REPLACED LEFT ENGINE LOWER CORE FIRE DETECTOR ASSEMBLY. ECIAS MESSAGE CLEARED PER FIM 26-11-00 AND AMM 26-11-01. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.