# SDR IPXA2024100917674

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2024
- Submitted: October 8, 2024
- 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)
- Aircraft serial: 48439
- Aircraft time: 80,611 hours, 18,731 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 80380303
- Part serial: 489
- Condition: Intermittent
- Location: Nr 3 Engine
- Stage of operation: CR
- 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/IPXA2024100917674

## Discrepancy

ENG.3 FIRE IS INTERMITTENTLY WARNING 5 TIMES IN FLIGHT AND 1 TIME ON GROUND. R/R FDCU-3 IAW AMM 26-11-02-401. BITE OK. A/C IS OK FOR SERVIVE

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