# SDR QXEA9901936

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 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 Alarm
- Condition: Activated
- Location: Cockpit
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA9901936

## Discrepancy

BOI- LAVATORY SMOKE ALARM SOUNDED FOR SEVERAL MINUTES DURING CLIMB.  NO SMOKE NOTED BY CREW.  DEFERED AND PLACED ON RESCHEDULED INSPECTION, IAW MEL 26-7 A & B.  AIRCRAFT RETURNED TO SERVICE.  FAULT WAS LATER DEEMED TO BE CAUSED BY RESIDUAL  OIL FROM APU.

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