# SDR UPS08M53712

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2008
- Submitted: October 23, 2008
- Operation: Air carrier
- Aircraft: N285UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48457
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: Intermittent
- Location: Cabin
- Stage of operation: DE
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS08M53712

## Discrepancy

INSPECTION TYPE:N/A ATB - CABIN SMOKE DETECTOR WARNING WAS INTERMITTENT AFTER LEVEL OFF.  NO SMOKE INDICATION VISUALLY NOTED.  INDICATION DID NOT OCCUR DURING LAST HALF HOUR OF FLIGHT.  BRIEF WITH FLT CREW - NR 1 SMOKE DETECTOR MAIN DECK WARNING INTERMITTENT.  NR 1 SMOKE DETECTOR REPLACED PER MM 26-15-01, TEST OK.

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