# SDR UPS04M43344

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2004
- Submitted: October 15, 2004
- Operation: Air carrier
- Aircraft: [N253UP](https://openairdocs.org/aircraft/N253UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 2240153503
- Condition: Inoperative
- Location: Nr 1 Engine
- 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/UPS04M43344

## Discrepancy

FIRE DET 1 FAULT WARNING DURING DESCENT ON A/C STATUS PAGE NO OTHER WARNINGS OR INDICATIONS (INOP ASSY) REF M289275 REF M289275,     CFDS FLIGHT FAULTS SHOW UPPER RIGHT INTERMITTENT FAULT.  REPLACED UPPER FIRE DETECTOR FOR NR 1 ENG PER MM 26-11-03, TESTS GOOD.

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