# SDR UALA2011102605797

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2011
- Submitted: October 27, 2011
- Operation: Air carrier
- Aircraft: N597UA
- Make and model: Boeing 757222
- Aircraft serial: 28750
- Aircraft time: 49,979 hours, 14,077 cycles
- Engine: Pwa PW2037
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: S210T13077
- Part serial: 24
- Condition: Inoperative
- Location: Cabin Pressure
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011102605797

## Discrepancy

CREW REPORTS TRIM INOP IN COCKPIT AND BOTH CABIN ZONES.  REPLACED CABIN TEMP CONTROLLER, CHECKS OKAY, NO MSGS.

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