# SDR UALA2012120306895

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2012
- Submitted: January 14, 2013
- Operation: Air carrier
- Aircraft: N543UA
- Make and model: Boeing 757222
- Aircraft serial: 25698
- Aircraft time: 80,322 hours, 23,338 cycles
- Engine: Pwa PW2037
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 2156604A
- Part serial: 668
- Condition: Faulty
- Location: Cargo Bay
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012120306895

## Discrepancy

PRIOR TO DEPARTURE, FWD CARGO DET2 MSG DISPLAYD UNABLE TO CLEAR.  FIRE TEST, NO HELP.  PER MEL TEST VERIFIED OTHER DETECTOR OK.  REPLACED SMOKE DETECTOR 2 PER AMM, OPS CHECKED OK.  MESSAGE WENT AWAY.

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