# SDR FDEA201306161312

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2013
- Submitted: June 17, 2013
- Operation: Air carrier
- Aircraft: [N606FE](https://openairdocs.org/aircraft/N606FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48602
- Aircraft time: 66,908 hours, 15,242 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: 224W9926501
- Part serial: 51563
- Condition: False Activation
- Location: Fire Detection
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201306161312

## Discrepancy

LEVEL 1, FIRE DETECTION 1 FAIL APPROX 5 MINUTES AFTER TAKEOFF FOLLOWED BY INTERMITTENT ENGINE 1 FIRE WARNING (ENGINE OPERATING INDICATIONS WERE NORMAL).   ALL INDICATIONS STOPPED UNTIL FINAL APPROACH, AT WHICH TIME HAD INTERMITTENT LEVEL 1, FIRE DETECT 1,  FAIL.  R & R FIRE DETECTOR HARNESS, LOOP A, ON ENG 1 REF AMM 71-50-04-4-1.  BITE TESTED GOOD.  GEARBOX LOOP A(DH6) AND UPPER TURB R LOOP A (DH4)REF ESM 71-00-02.  RAN ENG IAW JRH TO 83 PERCENT.  NO FAULTS NOTED. OK FOR SERVICE.

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