Service difficulty report · Control Valve · Boeing 747338

Difficulty date
December 17, 2001
Submitted
January 4, 2002
Operation
Air carrier
Make and model
Boeing 747338
Part
Control Valve
Part number
7801401
Condition
Leaking
Location
Rudder Actuator
Component
Rudder Actuator
Stage of operation
IN
How discovered
O
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

(AUS) HYDRAULIC OIL WAS FOUND LEAKING FROM THE LOWER RUDDER PCU TRANSFER VALVE.