Service difficulty report · Actuator · Boeing 777222

Difficulty date
March 24, 2012
Submitted
April 20, 2012
Operation
Air carrier
Aircraft
N779UA
Make and model
Boeing 777222
Aircraft serial
26941
Aircraft time
64,412 hours, 11,476 cycles
Engine
Pwa PW4077
Part
Actuator
Part number
30420001
Part serial
0041A
Condition
Faulty
Location
Ltmlg
Stage of operation
IN
How discovered
9
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

LEFT MAIN GEAR STEERING SHOWED UNLOCKED WITH A 8.0 INDICATION EVEN AFTER ACCOMPLISHING SYSTEM TEST AND MEL ALTERNATE PROCEDURE FOR ALIGNMENT. ACTUATOR INDICATION PIN SHOWING 'UNLOCKED' ALSO. REPLACED MAIN LANDING GEAR PCA PER AMM. OPS AND INDICATION CHECK OKAY.