# SDR UALA2011062703130

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2011
- Submitted: July 20, 2011
- Operation: Air carrier
- Aircraft: [N797UA](https://openairdocs.org/aircraft/N797UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26924
- Aircraft time: 59,265 hours, 8,444 cycles
- Engine: Pwa PW40903
- Engine time: 3,200 hours, 12,534 cycles
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Actuator
- Part number: 54H217
- Part serial: 41
- Condition: Faulty
- Location: Turbine Cooling
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011062703130

## Discrepancy

LEFT ENGINE LOW PRESSURE (LPT) TURBINE CASE COOLING ACTUATOR IS STUCK OR REVERTED TO ITS FAIL-SAFE POSITION.   INSPECTED PER MM.  ALL NORMAL REPLACED TCC ACTUATOR PER MM AND RIGGED PER MM.  RAN ENGINE, ALL NORMAL.

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