# SDR SWAA020621

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2002
- Submitted: March 26, 2002
- Operation: Air carrier
- Aircraft: 093SW
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 22965
- Aircraft time: 60,527 hours, 65,539 cycles
- Engine: Ge CFM56*
- Engine time: 54,684 hours, 58,848 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: 33600011
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: DE
- How discovered: O
- Nature of condition: N
- Precautionary procedure: E, F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA020621

## Discrepancy

DECLARED EMERGENCY, IN FLT ENGINE SHUTDOWN, NR 1 ENGINE FIRE WARNING ILLUMINATED DURING DESCENT.  DISCHARGED BOTH FIRE BOTTLES, LIGHT WENT OUT.  BELL AND LIGHT REMAINED INTERMITTENT.  REMOVED AND REPLACED BOTH NR 1 FIRE DETECTION LOOPS AND BOTH FIRE BOTTLES PER MM.

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