Service difficulty report · Actuator · Boeing 767322

Difficulty date
December 29, 2009
Submitted
January 4, 2010
Operation
Air carrier
Aircraft
N651UA
Make and model
Boeing 767322
Aircraft serial
25389
Aircraft time
76,904 hours, 12,409 cycles
Engine
Pwa PW4060
Part
Actuator
Part number
S343T00339
Part serial
20639
Condition
Malfunctioned
Location
Crossfeed Valve
Stage of operation
NR
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

AFT FUEL CROSSFEED VALVE LT-ON-& "FUEL CROSSFEED" EICAS MSG. ACTUATOR FOUND FAULTY. REPLACED AFT ENG CROSSFEED VALVE ACTUATOR. OPERATIONAL CHECK GOOD. NEXT SEGMENT AFT FUEL CROSSFEED VALVE LIGHT ON WITH SWITCH IN OFF POSITION. REPLACED VALVE ACTUATOR AGAIN. OP CHKS NORMAL.