# SDR IPXA2024122013001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2024
- Submitted: January 2, 2025
- Operation: Air carrier
- Aircraft: [N286UP](https://openairdocs.org/aircraft/N286UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48453
- Aircraft time: 96,850 hours, 19,490 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Condition: False Activation
- Stage of operation: CL
- 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/IPXA2024122013001

## Discrepancy

INTERMITTENT LVL 1 FIRE DET 2 FAULT ALERT DURING CLIMB AND CRUISE.   DISCONNECTED #2 ENGINE FDCU AND ALL 6 FIRE DETECTORS. CHECKED WIRING FOR SHORTS TO GND AND OTHER CONDUCTORS, NONE FOUND. AT PYLON DETECTOR FOUND ONE RING TERMINAL LOOSE ON WIRE. RETERMINATED PER SWPM 20-00-16. RECONNECTED UNITS. TESTS GOOD PER MM 26-11-02.

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