Service difficulty report · Actuator · Boeing 767322

Difficulty date
September 18, 2010
Submitted
September 20, 2010
Operation
Air carrier
Aircraft
N664UA
Make and model
Boeing 767322
Aircraft serial
29236
Aircraft time
43,161 hours, 11,927 cycles
Engine
Pwa PW4052
Part
Actuator
Part number
5830201110
Part serial
1016A
Condition
Leaking
Location
Lt Engine
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

FUEL LEAKING FROM TCC VALVE ACTUATOR ON LT ENGINE. CONFIRMED FUEL LEAKAGE OUT OF PRESSURE WEEP HOLE. REPLACED ACTUATOR WITH A PART THAT WAS TAGGED SERVICEABLE BUT LOOKED OLD AND DIRTY. NEW VALVE IS LEAKING OUT OF SAME WEEP HOLE AT RATE OF 2 DPM. NEEDS NEW VALVE. REPLACED TCC ACTUATOR ON ENG NR1. RAN ENGINE AND LEAK CHECKED NO LEAKS WERE NOTED.