Service difficulty report · Valve · Boeing 757222

Difficulty date
August 11, 2012
Submitted
September 20, 2012
Operation
Air carrier
Aircraft
N576UA
Make and model
Boeing 757222
Aircraft serial
26690
Aircraft time
64,085 hours, 22,749 cycles
Engine
Pwa PW2037
Part
Valve
Condition
Leaking
Location
Fuel System
Stage of operation
NR
How discovered
9
Nature of condition
K
Precautionary procedure
O

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

What was found

FUEL LEAKING INTO CTR FUEL TANK FROM FUELING MANIFOLD LT DRAIN VALVE BOTH STATIC AND WITH LT BOOST PUMPS RUNNING. LEFT FUEL TANK LEAKING STATIC FROM REFUELING SHUTOFF VALVE AND WITH LT FUEL PUMPS RUNNING FUEL LEAKING FROM LEFT DEFUEL VALVE. REPLACED LT REFUELING VALVE IAW AMM 28-21-02-401 AND ACTUATOR IAW AMM 28-21-12. REPLACED LT DEFUELING VALVE REF AMM 28-26-01-401 94405 AND LT DEFUEL ACTUATOR REF AMM28-26-02-401. ACCOMPLISHED OP AND LEAK CHECKS REF FIM 28-21 FAULT TREE 813. NO LEAKS FROM FUELING MANIFOLD DRAINS OR UNCOMMANDED TRANSFER NOTED.