Service difficulty report · Pcu · Boeing 777222

Difficulty date
July 13, 2011
Submitted
August 8, 2011
Operation
Air carrier
Aircraft
N784UA
Make and model
Boeing 777222
Aircraft serial
26951
Aircraft time
63,697 hours, 9,098 cycles
Engine
Pwa PW40903
Part
Pcu
Part number
15482001
Part serial
2
Condition
Leaking
Location
Rudder
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

CENTER RUDDER PCU LEAKING HYD FLUID BEYOND MM LIMITS. RUDDER PCU LEAKING HYD FLUID. NEW ONE PLANESIDE, REMOVING. DDK 0835. AS A RESULT OF ACT LOCK INSTALLED, RUDDER DEFLECTED ON PCU LOCK AND DAMAGED SEAL. CENTER PCU. REMOVED CENTER PCU, ACCOMPLISHED DETAILED VISUAL INSPECTION OF CENTER RUDDER ACTUATOR MOUNT POINTS AND ADJACENT STRUCTURE. NO DEFECTS NOTED.