# SDR UALA2009080502369

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2009
- Submitted: August 5, 2009
- Operation: Air carrier
- Aircraft: [N215UA](https://openairdocs.org/aircraft/N215UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30221
- Aircraft time: 32,287 hours, 7,107 cycles
- Engine: Pwa PW4077
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 11511007
- Part serial: 82
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009080502369

## Discrepancy

ASCP PRIMARY CTRL L LEFT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILED.  REPLACED LEFT AIR SUPPLY CABIN PRESSURE CONTROLLER.

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