# SDR 2005UALA00103

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2005
- Submitted: February 8, 2005
- Operation: Air carrier
- Aircraft: N378UA
- Make and model: Boeing 737322
- Aircraft serial: 24653
- Aircraft time: 43,132 hours, 29,965 cycles
- Engine: Ge CFM56*
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2005UALA00103

## Discrepancy

AT 32,000 FEET CABIN, FLIGHT MADE EMERGENCY DESCENT FROM 32,000 TO 15,000 DUE TO CABIN PRESSURE PROBLEM.   CABIN PRESSURE CONTROLLER FAILED. REPLACED CONTROLLER.

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