# SDR SIMA991973

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N339SB
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B339
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 72111211000A
- Condition: Failed
- Location: Cargo Compt
- Stage of operation: CR
- Nature of condition: N
- Precautionary procedure: F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA991973

## Discrepancy

LAX - FLT 3261 - CARGO SMOKE WARNING LIGHT ILLUMINATED THREE TIMES IN FLIGHT.  DISCHARGED FIRE EXTINGUISHERS.  VERIFIED EVENT AS FALSE WARNING.  REMOVED AND REPLACED BOTH CARGO SMOKE DETECTORS.  AIRCRAFT RETURNED TO SERVICE.  (M)

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