# SDR 2007UALA00419

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2007
- Submitted: February 16, 2007
- Operation: Air carrier
- Aircraft: N313UA
- Make and model: Boeing 737322
- Aircraft serial: 23674
- Aircraft time: 55,906 hours, 30,464 cycles
- Engine: Cfmint CFM563C1
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Control Module
- Condition: Inoperative
- Location: Fire Warning
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA00419

## Discrepancy

PER CREW FAULT LIGHT ON ENGINE AND APU FIRE CONTROL MODULE INOPERATIVE. FOUND  FAULTY APU/ENGINE FIRE CONTROL MODULE.  REPLACED THE FIRE CONTROL MODULE.  SHOP FOUND THE MODULE TO HAVE A TEST SWITCH FAULT. REPLACED THE FAULT/TEST SWITCH.

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