Service difficulty report · Pcu · Boeing 777222

Difficulty date
March 22, 2012
Submitted
April 5, 2012
Operation
Air carrier
Aircraft
N773UA
Make and model
Boeing 777222
Aircraft serial
26929
Aircraft time
67,707 hours, 13,011 cycles
Engine
Pwa PW4077
Part
Pcu
Part number
15441007
Part serial
75
Condition
Leaking
Location
Flaperon
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

FLUID COMING OUT 1ST FLAP FAIRING OUTBOARD OF RT ENGINE. MAINT TEXT: CHECKED & FOUND LEAK I/B OF RT ENGINE AT RT FLAPERON I/B ACTUATOR ROD END. LEAK RATE IS 2 DPM STATIC & 9 DPM IN OPERATION. NEEDS FLAPERON ACTUATOR 646-9013. NEEDS REPLACEMENT WITHIN 75 HOURS. PTT NOW 67707:14. REPLACED RT INBD FLAPERON PCU.