Service difficulty report · O-Ring · Boeing 767322

Difficulty date
November 10, 2010
Submitted
November 17, 2010
Operation
Air carrier
Aircraft
N677UA
Make and model
Boeing 767322
Aircraft serial
30029
Aircraft time
33,456 hours, 8,451 cycles
Engine
Pwa PW4056
Part
O-Ring
Condition
Leaking
Location
Hyd System
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CTR HYD LEAK, FLIGHT DIVERTED. CENTER HYD QTY DROPPING TO .49. REFILL EICAS CENTER HYD SYS TURNED OFF. LEAKING O-RING ON RT CENTER HYDRAULIC ACCMP WAS CHANGED.