# SDR IPXA2017022114259

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2017
- Submitted: February 22, 2017
- Operation: Air carrier
- Aircraft: [N257UP](https://openairdocs.org/aircraft/N257UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48451
- Aircraft time: 71,090 hours, 14,194 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Control Unit
- Part number: 80380303
- Part serial: 812
- Condition: Faulted
- Location: Fire Detection
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2017022114259

## Discrepancy

FIRE DETECTOR FAULT LEVEL 1 MESSAGE.   ACCOMPLISHED DMP 26-11-1.  REPLACED THE NR 3 FDCU IAW MM 26-11-02. PERFORMED OPS TEST IAW MM 26-11-02. TEST PASSED.

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