Service difficulty report · Actuator Valve · Boeing 777222

Difficulty date
March 28, 2024
Submitted
March 29, 2024
Operation
Air carrier
Aircraft
N796UA
Make and model
Boeing 777222
Aircraft serial
26931
Aircraft time
105,607 hours, 14,012 cycles
Part
Actuator Valve
Part number
MA30A1017
Condition
Leaking
Location
Apu
Stage of operation
NR
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

FUEL LEAKING FROM FUSELA GE NEAR LEFT MAIN LANDIN G GEAR FOUND APU SHUTOFF VALVE LEAKING. SECURING CLOSED. PULLED FOR TIME. BREAKER. PRESSURIZED ALL PUMPS. LEAK STOPPED. APPLYING MEL 2825A NEW VALVE PLACED IN FLIGHT DECK. VERIFY P/N AND RTS IF NOT NEEDED. MEL 2825A REJECTING FOR FIX REMOVED AND REPLACED APU FUEL SHUTOFF VALVE ACTUATOR REF MM 28-25-02 AND PERFORMED LEAK CHECK GOOD AND APU FUEL SYSTEM FEED TEST GOOD REF MM 28-25-00 PARTS USED: 29-2822-9-9014,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1371236 SN OFF 9497 ACTUATOR, VALVE OFF 29-2822-9-9014 9497 ON 29-2822-9-9014 9412