Service difficulty report · Relief Valve · Boeing 767238

Difficulty date
February 21, 2002
Submitted
March 4, 2002
Operation
Air carrier
Make and model
Boeing 767238
Engine
Pwa JT9D7R4E
Part
Relief Valve
Part number
00377
Condition
Failed
Location
Hyd System
Stage of operation
IN
How discovered
V
Nature of condition
O
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 PUMP PRESSURE RELIEF VALVE FAULTY. VALVE WAS BYPASSING FLUID.