# SDR UPS04M43345

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2004
- Submitted: October 18, 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: Harness
- Condition: Damaged
- Location: Nr 1 Enging Fire
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS04M43345

## Discrepancy

FIRE WARNING SYSTEM GIVING SPORADIC & INCONSISTENT POSITIVE INDICATION.  NR 1 ENGINE SHUT DOWN AS PRECAUTION.  REPLACED NR 1 ENG FIRE WARNING HARNESS IN REF TO MM 71-50-04.

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