Service difficulty report · Processor · Boeing 777222

Difficulty date
July 2, 2009
Submitted
July 6, 2009
Operation
Air carrier
Aircraft
N222UA
Make and model
Boeing 777222
Aircraft serial
30553
Aircraft time
32,854 hours, 4,088 cycles
Engine
Pwa PW40903
Part
Processor
Part number
0335KPU01
Part serial
941036
Condition
Malfunctioned
Location
Fuel Quantity
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

LEFT WING WOULDN'T ACCEPT FUEL. REPLACED FUEL QUANTITY PROCESSOR UNIT. BOTH SAME SOFTWARE AND TEST CARRIED, BUT NO HELP. FUELED MANUAL. INSTALLED NEW SIGNAL CONDITION ASSEMBLY AND TESTED PER, NO HELP. REPLACED REFUELING PANEL. REFUELING SYSTEM & ALL VALVES OPERATE NORMAL.