# SDR COZA20120911011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2012
- Submitted: September 11, 2012
- Operation: Air carrier
- Aircraft: [N737KA](https://openairdocs.org/aircraft/N737KA), registered now
- Make and model: Boeing 737-7BX
- Registry model: [Boeing 737-7BX](https://openairdocs.org/model/boeing-737-7bx) (OpenAirDocs)
- Aircraft serial: 30740
- Aircraft time: 25,103 hours, 16,203 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 4735975
- Part serial: 13431
- Condition: No Test
- Location: Cargo Bay
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COZA20120911011

## Discrepancy

SMOKE DETECTOR A1 IN FORWARD PIT WOULD NOT TEST.  REPLACED SMOKE DETECTOR P/N 473597-5.  OPERATIONAL CHECK NORMAL.

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