# SDR 04FDEA03342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2004
- Submitted: December 6, 2004
- Operation: Air carrier
- Aircraft: N212FE
- Make and model: Boeing 727-2S2F
- Registry model: [Boeing 727-2S2F](https://openairdocs.org/model/boeing-727-2s2f) (OpenAirDocs)
- Aircraft serial: 22934
- Aircraft time: 29,059 hours, 16,483 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Control Unit
- Condition: Malfunctioned
- Location: Fire Detection
- Stage of operation: DE
- How discovered: O
- Nature of condition: N
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/04FDEA03342

## Discrepancy

IN DESCENT THROUGH FL200, THE NR 1 FIRE HANDLE LIGHT CAME ON INTERMITTENTLY.  IN CONJUNCTION WITH THE FIRE HANDLE AND BELL, THE NR 1 ENGINE DETECTOR INOP LIGHT ILLUMINATED.  RAN QRH FOR ENGINE FIRE AND SHUT THE NR 1 ENGINE DOWN.  INSTALLED A NEW FIRE CONTROL UNIT PER AMM 26-11-000-4.  TESTED PER AMM 26-11-000-1, OPS CHECK GOOD.  INSTALLED A NEW MAIN OIL FILTER, NO METAL FOUND IN THE OLD FILTER.  RAN THE ENGINE PER B-727-200 JRH, OPS AND LEAK CHECK GOOD.

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