# SDR 2006UALA00025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2006
- Submitted: January 10, 2006
- Operation: Air carrier
- Aircraft: N385UA
- Make and model: Boeing 737322
- Aircraft serial: 24660
- Aircraft time: 44,951 hours, 32,069 cycles
- Engine: Cfmint CFM563C1
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006UALA00025

## Discrepancy

SHORTLY AFTER DEPARTURE ISSUE WITH PRESSURIZATION.  MAIN OUTFLOW VALVE FAILED. REPLACED VALVE AND SYSTEM CHECKED GOOD.

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