# SDR FDEA202610061481

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2026
- Submitted: October 7, 2026
- Operation: Air carrier
- Aircraft: [N617FE](https://openairdocs.org/aircraft/N617FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48748
- Aircraft time: 87,248 hours, 22,165 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Faulted
- Location: Nr 2 Engine
- Stage of operation: CR
- 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/FDEA202610061481

## Discrepancy

FIRE DET 2 FAIL ILLUMINATED STEADY DURING FLIGHT AT  CRUISE ALTITUDE.  FIRE DET 2 FAIL LATER FLICKERED  ON AND OFF FOR THE REMAINDER OF THE FLIGHT.   REMOVED ENGINE NR 2 FIRE DETECTOR RAIL ASSY. FOR LOOP  'B' IAW AMM 26-11-03-4-1.   RELEASED FOR SERVICE PER MEL 26-11-01,  NR 2 ENG  FIRE DETECTION LOOP  A  INOP.  MEL: 26-11-01.     INERROGATED CFDS THRU FDCU2, FOUND LOOP A FAULT.  LOOP A GR BOX FIRE DET ASSY A. REMOVED FIRE DETECTOR RAIL ASSY IS FOR FOR LOOP  B.  THIS WRI IS FOR A LOOP "A"  FAULT, AND IS ON DEFERRAL. NO PARTS WERE REMOVED.

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