# SDR UALA2013032101777

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2013
- Submitted: April 29, 2013
- Operation: Air carrier
- Aircraft: [N788UA](https://openairdocs.org/aircraft/N788UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26942
- Aircraft time: 70,190 hours, 9,889 cycles
- Engine: Pwa PW40903
- System (JASC): [7700 · Engine Indicating System](https://openairdocs.org/jasc/7700)
- Part: Thermocouple
- Part number: 50J761
- Condition: Faulty
- Location: Rt Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013032101777

## Discrepancy

DURING EEC SYS TEST FAULT MAINTENANCE MESSAGE 73-51082 OCCURRED MORE THAN ONCE IN LEG 0 THROUGH 5. T3 THERMOCOUPLE PROBE RT ENG, CHANNEL B.  REPLACED T3 THERMOCOUPLE.

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