# SDR 2000UALA00056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: N380UA
- Make and model: Boeing 737322
- Aircraft serial: 24655
- Aircraft time: 31,290 hours, 20,789 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: DE
- 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/2000UALA00056

## Discrepancy

DURING DESCENT THE AIRCRAFT CABIN RAPIDLY DEPRESSURIZED.  *S/D*  THE CABIN PRESSURE CONTROLLER FAILED TO OPERATE.  REPLACED THE CABIN PRESSURE CONTROLLER.

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