Service difficulty report · Actuator · Boeing 747422

Difficulty date
June 28, 2007
Submitted
July 3, 2007
Operation
Air carrier
Aircraft
N104UA
Make and model
Boeing 747422
Aircraft serial
26902
Aircraft time
39,336 hours, 4,795 cycles
Engine
Pwa PW4056
Part
Actuator
Condition
Malfunctioned
Location
Lt Aileron
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

LEFT AILERON LOCKOUT ACTUATOR -NO RESPONSE- (SRM-R) MESSAGE 27321 HARD FAULT LAST FOUR LEGS. [07-24-07] REPLACED LT AILERON LOCK OUT ACTUATOR. COMPLETED INSTALLATION & TEST PER MM 27-11-16. ALL TESTS NORMAL PER PROCEDURE NR 4. AIRCRAFT OK FOR SERVICE.