# SDR DL733050035

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2005
- Submitted: February 1, 2005
- Operation: Air carrier
- Aircraft: N2310
- Make and model: Boeing 737347
- Aircraft serial: 23596
- Aircraft time: 50,829 hours, 34,239 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 65657151
- Condition: Contaminated
- Location: Aft Fuselage
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL733050035

## Discrepancy

AIRCRAFT FAILED TO PRESSURIZE.  FOUND PRESSURE RELIEF VALVE STUCK OPEN.

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