# SDR COZA20120224006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2012
- Submitted: February 24, 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: 24,564 hours, 16,082 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Check Valve
- Part number: 32C1943
- Part serial: 6118
- Condition: Broken
- Location: Lt Wing
- Part time: 24,564 hours, 16,082 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COZA20120224006

## Discrepancy

LEFT WING FUEL CHECK VALVE P/N 32C194-3, S/N 6118 WAS FOUND TO HAVE A BROKEN SPRING ON FLAPPER.  DISCOVERED DURING WING TANK INSPECTION.  CHECK VALVE WAS REPLACED.

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