Service difficulty report · Valve · Boeing 747422

Difficulty date
December 7, 2013
Submitted
December 10, 2013
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
96,450 hours, 11,526 cycles
Engine
Pwa PW4056
Part
Valve
Part number
8010003
Part serial
36
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
IN
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ENG 1 FUEL VLV STATUS MESSAGE. REPLACED FUEL VLV.