# SDR USAA20090605SB094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2009
- Submitted: June 5, 2009
- Operation: Air carrier
- Aircraft: N529AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 24411
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: KIT651
- Condition: Faulty
- Location: Lavatory
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA20090605SB094

## Discrepancy

BOS - PILOT REPORTED THE SMOKE DETECTOR IN THE AFT LEFT LAVATORY WAS EMITTING A CONSTANT BEEP.  MAINTENANCE INSTALLED A NEW SMOKE DETECTOR IN THE AFT LEFT LAVATORY.  OPERATIONAL CHECK NORMAL PER TASK 25-60-00-00.

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