Service difficulty report · Shuttle Valve · Boeing 737291

Difficulty date
October 9, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N983UA
Make and model
Boeing 737291
Aircraft serial
21641
Engine
Pwa JT8D9A
Part
Shuttle Valve
Part number
50604
Condition
Failed
Location
A Hyd Syst
Stage of operation
LD
Nature of condition
K, J
Precautionary procedure
O

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

What was found

LOST SYSTEM A HYDRAULIC PRESSURE AND HYDRAULIC FLUID. *S/D* REPLACED SHUTTLE VALVE ON FWD BULKHEAD OF LT WHEEL WELL. LEAK CHECKS GOOD. MAINTENANCE TECHNICIAN STATES THAT A PLUG IN THE CAPPED OFF PORT FAILED.