Service difficulty report · Relay · Boeing 777222

Difficulty date
October 31, 2011
Submitted
November 30, 2011
Operation
Air carrier
Aircraft
N220UA
Make and model
Boeing 777222
Aircraft serial
30223
Aircraft time
43,743 hours, 5,410 cycles
Engine
Pwa PW40903
Part
Relay
Part number
JD4L018
Condition
Faulty
Location
Fuel System
Stage of operation
IN
How discovered
O
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

CENTER FUEL TANK ONE REFUEL VALVE WILL NOT OPEN. CHECKED CENTER FUEL TANK LT REFUEL VALVE FAIL CLOSED. FOUND 16 VOLTS AT CONNECT OR DV28305 FOR LT CENTER TANK REFUEL VALVE. SUGGEST REPLACING LT CENTER TANK REFUEL RELAY K28316 ITEM 70 PCN (562-4147) BEHIND P310 PANEL. REPLACED RELAY K28316. FUEL VALVE OPENED NORMALLY WHEN FUELED.