# SDR 2000UALA00681

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2000
- Submitted: December 12, 2000
- Operation: Air carrier
- Aircraft: N917UA
- Make and model: Boeing 737522
- Aircraft serial: 25384
- Aircraft time: 26,613 hours, 19,644 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: 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/2000UALA00681

## Discrepancy

THE AUTOMATIC AND STANDBY PRESSURE SYSTEMS FAILED. SUPPLEMENTAL DATA UPDATE CABIN PRESSURE CONTROLLER FAILED. REPLACED CABIN PRESSURE CONTROLLER.

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