Service difficulty report · Pcu · Boeing 777222

Difficulty date
December 7, 2010
Submitted
December 10, 2010
Operation
Air carrier
Aircraft
N773UA
Make and model
Boeing 777222
Aircraft serial
26929
Aircraft time
62,463 hours, 12,277 cycles
Engine
Pwa PW4077
Part
Pcu
Part number
31701307
Part serial
0133BCD
Condition
Leaking
Location
Flaperon
Stage of operation
NR
How discovered
9
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

LT FLAPARON OTBD ACTUATOR LEAKING. FOUND OTBD ACTUATOR LEAKING AT 15 DROPS PER MIN. FLAPERON PCU REPLACED. OP CHECKS NORMAL.