Service difficulty report · Check Valve · Boeing 727222

Difficulty date
April 17, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N7272U
Make and model
Boeing 727222
Aircraft serial
21419
Engine
Pwa JT8D15
Part
Check Valve
Part number
H61CO551
Condition
Ruptured
Location
A-Hyd Syst
Stage of operation
TX
Nature of condition
K, J
Precautionary procedure
D

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

What was found

HYDRAULIC 'A' SYSTEM PRESSURE AND QUANTITY LOSS JUST AFTER PUSH BACK FROM GATE AND SELECTING 'A' PUMPS ON. FOUND 'A' SYSYEM INBOARD CHECK VALVE LEAKING. REPLACED CHECK VALVE, SERVICED HYDRAULIC SYSTEM AND ACCOMPLISHED A LEAK CHECK.