# SDR UALA2008122206938

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2008
- Submitted: December 23, 2008
- Operation: Air carrier
- Aircraft: N198UA
- Make and model: Boeing 747422
- Aircraft serial: 28716
- Aircraft time: 47,016 hours, 5,638 cycles
- Engine: Pwa PW4056
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 2156556HS
- Condition: Shorted
- Location: Crew Rest Area
- Stage of operation: CR
- How discovered: O
- Nature of condition: W
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2008122206938

## Discrepancy

SMOKE DETECTOR PROBLEM.  FLIGHT DIVERTED.  FOUND DETECTOR 1A SHORTED.  REPLACED DETECTOR.  OPERATIONAL TESTED GOOD.

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