Service difficulty report · Control Unit · Boeing 777222

Difficulty date
April 7, 2013
Submitted
May 9, 2013
Operation
Air carrier
Aircraft
N221UA
Make and model
Boeing 777222
Aircraft serial
30552
Aircraft time
49,612 hours, 6,176 cycles
Engine
Pwa PW40903
Part
Control Unit
Condition
Malfunctioned
Location
Left Refuel Valv
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

LEFT OUTBOARD REFUELING VALVE OPEN LIGHT REMAINS ON WITH VALVE SWITCH IN THE CLOSED POSITION. REPLACED THE LEFT OUTBOARD REFUEL VALVE CONTROL UNIT IAW AMM.