# SDR DL733030144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2003
- Submitted: March 4, 2003
- Operation: Air carrier
- Aircraft: N304WA
- Make and model: Boeing 737347
- Aircraft serial: 23345
- Aircraft time: 48,590 hours, 33,190 cycles
- Engine time: 37,986 hours, 38,413 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Control Module
- Condition: Failed
- Location: Apu Fire Detect
- Stage of operation: CL
- 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/DL733030144

## Discrepancy

AT 8000 FT APU FIRE LIGHT AND BELL SOUNDED, C/W PROC LIGHT STILL ON.  AIR TURNBACK TO OAK.  REPLACED FIRE DETECTOR CONTROL MODULE.

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