# SDR UALA2013010300045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2013
- Submitted: January 16, 2013
- Operation: Air carrier
- Aircraft: [N793UA](https://openairdocs.org/aircraft/N793UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26946
- Aircraft time: 68,013 hours, 9,732 cycles
- Engine: Pwa PW40903
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Actuator
- Part number: 54H217
- Part serial: 71
- Condition: Leaking
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013010300045

## Discrepancy

DURING IDLE LEAK CHECK OF NR 2 ENGINE FOUND TURBINE CASE COOLING AIR VALVE ACTUATOR LEAKING FUEL.  STARTED TO REMOVE TCC ACTUATOR.  REPLACED TCC ACT PER MM75- 24-05, ALL CHECKED NORMAL.

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