# SDR QXEA9901680

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N491US
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Aircraft serial: 11156
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 0158500781
- Condition: Malfunctioned
- Location: Lavatory
- Stage of operation: CL
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA9901680

## Discrepancy

BOI - DURING CLIMB, LAVATORY SMOKE ALARM SOUNDED.  NO SMOKE WAS NOTED UPON INVESTIGATION.  DEFERRED LAVATORY IAW MEL 26-7 (A/B).  AIRCRAFT RETURNED TO SERVICE.  MEL CLEARED ON 9/2 BY REPLACING THE SMOKE DETECTOR.  OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

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