Service difficulty report · Valve · Boeing 777222

Difficulty date
August 12, 2010
Submitted
August 13, 2010
Operation
Air carrier
Aircraft
N777UA
Make and model
Boeing 777222
Aircraft serial
26916
Aircraft time
61,846 hours, 11,482 cycles
Engine
Pwa PW4077
Part
Valve
Part number
S343T00342
Condition
Leaking
Location
Left Jettison
Stage of operation
NR
How discovered
O
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

AT DEPARTURE, FOUND FUEL DISCHARGE FROM LT FUEL JETTISON MAST. LT FUEL JETTISON SYS, REF MEL, CLOSED AND SAFETY CLOSE VALVE. DID TEST REF MEL WITH PUMPS AND NO FUEL CAME OUT. WHEN FUELER STARTED FUELING SMALL AMOUNT OF FUEL STARTED COMING OUT OF LT JETTISON MAST. REPLACED LT WING JETTISON VALVE. OPS NORMAL.