# SDR SIMA990721

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N381AE
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B381
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 72111211000
- Condition: False Warning
- Location: Lavatory
- Stage of operation: CR
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA990721

## Discrepancy

DFW - FLT 5054 - LAVATORY SMOKE ON CWP ILLUMINATED INFLIGHT.  FLIGHT ATTENDANT FOUND THE LAVATORY WAS OCCUPIED, AND THE PERSON WAS REMOVED.  AOM VOL 1 PROCEDURES WERE COMPLIED WITH.  VERIFIED THE EVENT AS A FALSE WARNING.  REMOVED AND REPLACED THE LAV SMOKE DETECTOR.  AIRCRAFT RETURNED TO SERVICE.  (M)

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