# SDR 99FDEA00174

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N205FE
- Make and model: Boeing 727-2S2F
- Registry model: [Boeing 727-2S2F](https://openairdocs.org/model/boeing-727-2s2f) (OpenAirDocs)
- Aircraft serial: 22927
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Control Unit
- Condition: Failed
- Location: Fire Det Syst
- Stage of operation: CR
- Nature of condition: N
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99FDEA00174

## Discrepancy

NR 1 ENG FIRE WARNING LIGHT AND BELL SOUND INTERMITTENTLY.  WARNING SILENCED BY OPEN NR 1 ENG SYS A DETECTION CIRCUIT BREAKER, BOTH FIRE SYS TEST SAT.   *S/D*  INSTALLED STUB WING PNLS.  REMOVED AND REPLACED FIRE DETECTION CONTROL UNIT, ALL CK OK MM 26-11.

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