Service difficulty report · O-Ring · Boeing 757222

Difficulty date
June 19, 2013
Submitted
June 21, 2013
Operation
Air carrier
Aircraft
N546UA
Make and model
Boeing 757222
Aircraft serial
25367
Aircraft time
80,468 hours, 23,351 cycles
Engine
Pwa PW2040
Part
O-Ring
Condition
Leaking
Location
Hyd System
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

PARK BRAKE MODULE IS LEAKING HYD FLUID AS NOTED DURING WALK AROUND. REPLACED O-RING ON PARK BRAKE MODULE HYD UNION.OPS AND LEAK CHECK NORMAL.