Service difficulty report · O-Ring · Boeing 767322

Difficulty date
January 14, 2013
Submitted
January 18, 2013
Operation
Air carrier
Aircraft
N662UA
Make and model
Boeing 767322
Aircraft serial
27159
Aircraft time
85,277 hours, 13,571 cycles
Engine
Pwa PW4060
Part
O-Ring
Condition
Leaking
Location
Trim Switch
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

HYDRAULIC FLUID LEAKING FROM STAB COMPARTMENT DRAIN ON BELLY. FOUND LEFT STAB TRIM CONTROL MODULE BRAKE PRESSURE SWITCH LEAKING 30 DROPS MIN. REPLACED O-RING SEALS. LEAK CHECKED GOOD. CLEANED AND FLUSHED COMPARTMENT OF RESIDUAL FLUID.