Service difficulty report · Thermocouple · Boeing 777222

Difficulty date
April 20, 2009
Submitted
April 24, 2009
Operation
Air carrier
Aircraft
N217UA
Make and model
Boeing 777222
Aircraft serial
30550
Aircraft time
35,030 hours, 4,452 cycles
Engine
Pwa PW40903
Part
Thermocouple
Part number
50J761
Condition
Faulty
Location
Rt Engine
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RT ENGINE T3 THERMOCOUPLE FAULT 73-51082 IS ACTIVE AND HIT SEVERAL TIMES ON FAULT HISTORY. REPLACED RT ENG T3 THEMO-COUPLER PROBE. RAN ENGINE, OPS CHECK GOOD.