Service difficulty report · Pcu · Boeing 777222

Difficulty date
November 24, 2010
Submitted
December 3, 2010
Operation
Air carrier
Aircraft
N204UA
Make and model
Boeing 777222
Aircraft serial
28713
Aircraft time
531,157 hours, 7,565 cycles
Engine
Pwa PW40903
Part
Pcu
Part number
15441007
Part serial
0835A
Condition
Leaking
Location
Flaperon
Stage of operation
NR
How discovered
V
Nature of condition
K
Precautionary procedure
O

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

What was found

LEFT WING FLAPERON ACTUATOR LEAKING HYD FLUID. MAINT REPORT UPON INITIAL EVALUATION STEADY STREAM OF HYDRAULIC FLUID LEAKING, AFTER SEVERAL ACTUATIONS, THE LEAK SLOWED. REPLACED INBOARD ACTUATOR. DURING RIG CHECK OF LT FLAPERON INBOARD ACTUATOR FOUND OUTBOARD. ACTUATOR OUT OF RIG BY 3-4 INCH. ACCOMPLISHED RIG OF LT FLAPERON INBOARD AND OUTBOARD ACTUATORS PER MM TO COMPLETION AND PERFORMED AILERON AND FLAPERON OPERATIONAL TEST PER MM. ALL RESULTS AND INDICATIONS NORMAL.