Service difficulty report · Actuator · Boeing 777222

Difficulty date
August 25, 2010
Submitted
August 27, 2010
Operation
Air carrier
Aircraft
N211UA
Make and model
Boeing 777222
Aircraft serial
30217
Aircraft time
36,914 hours, 8,185 cycles
Engine
Pwa PW4084
Part
Actuator
Part number
1U15257
Part serial
1697
Condition
Leaking
Location
Thrust Reverser
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

NR 2 ENGINE OTBD REVERSER HALF LEAKING HYD FLUID BOTTOM OF COWL AT SLEEVE SPLIT. OPERATED NR 2 ENG REVERSER SEVERAL TIMES AND PRESSURIZED HYD. ALL REVERSER ACTUATORS DID NOT LEAK. AFTER 15MIN OF NO HYD, LWR INBD ACTUATOR STARTED LEAKING 16 DROPS MIN. REPLACE NR 2 LT REVERSER SLEEVE LOWER LOCKING ACTUATOR. SYS OPERATED NORMAL WITH NO LEAKS NOTED.