Service difficulty report · Actuator · Boeing 767322

Difficulty date
January 25, 2010
Submitted
January 27, 2010
Operation
Air carrier
Aircraft
N670UA
Make and model
Boeing 767322
Aircraft serial
29240
Aircraft time
37,653 hours, 9,988 cycles
Engine
Pwa PW4056
Part
Actuator
Part number
S343T00339
Part serial
418
Condition
Leaking
Location
Lt Fuel Jettison
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 LT WING FUEL JETTISON TUBE AFTER FUELING OF AC. ACTUATOR FOUND LEAKING. REPLACED FUEL JETTISON VALVE ACTUATOR. OPS CHKS ARE NORMAL. FOUND GAMA COUPLING DOWNSTREAM OF JETTISON VALVE LEAKING WHEN WING TANK WAS FULL. REPLACED PACKINGS ON COUPLINGS DOWNSTREAM OF JETTISON VALVE. FILLED TANK, NO LEAKS FOUND. OP CHECKS ARE NORMAL.