# SDR UALA2010071602557

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2010
- Submitted: July 19, 2010
- Operation: Air carrier
- Aircraft: N547UA
- Make and model: Boeing 757222
- Aircraft serial: 25368
- Aircraft time: 69,625 hours, 20,272 cycles
- Engine: Pwa PW2037
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 2156604A
- Condition: Faulty
- Location: Aft Cargo Bay
- Stage of operation: NR
- 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/UALA2010071602557

## Discrepancy

AFT CARGO DET 1 STATUS MESSAGE. CYCLED DETECTOR ASSY. NO AFT CARGO DET MSG NOTED, SYSTEM OP CHECKS GOOD IAW MM.

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