# SDR FDEA201803220760

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2018
- Submitted: April 17, 2018
- Operation: Air carrier
- Aircraft: [N643FE](https://openairdocs.org/aircraft/N643FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48486
- Aircraft time: 63,752 hours, 14,651 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Fire Detector
- Condition: False Activation
- Location: Nr 1 Engine
- Stage of operation: NR
- 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/FDEA201803220760

## Discrepancy

FIRE DETECTOR 1 FAULT FLASHED INTERMITTENTLY ON STATUS  PAGE UNDER MAINT.  REMOVED AND REPLACED THE NR 1 ENGINE, LT LOWER THRUST REVERSER FIRE DETECTOR IAW MM 26-11-3-4-2.  NR 1 ENGINE LOOPS A AND B, OPS CHECKED GOOD.

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