# SDR CHIA202506039761

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2025
- Submitted: June 4, 2025
- Operation: Air carrier
- Aircraft: [N168CH](https://openairdocs.org/aircraft/N168CH), registered now
- Make and model: Boeing 1072
- Aircraft serial: 408
- Aircraft time: 9,131 hours
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 47327502
- Condition: False Activation
- Location: Zone 400
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CHIA202506039761

## Discrepancy

#1 ENGINE FIRE T-HANDLE ILLUMINATED MOMENTARILY AND EXTINGUISHED IN CRUISE FLIGHT NEAR ZAMBOANGA, PHP DURING TRAINING FLIGHT. PILOTS CHECKED FOR SECONDARY INDICATIONS, AND NONE WERE FOUND. THE LIGHT FLICKERED WHILE PILOTS CONTINUED BACK TO BASE. AIRCRAFT LANDED SAFELY IN ZAMBOANGA.  REPLACED #1 ENGINE AFT UPPER INBOARD FIRE DETECTOR. AIRCRAFT WAS RETURNED TO SERVICE.

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