Service difficulty report · P/D Valve · Boeing 737222

Difficulty date
January 28, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N9060U
Make and model
Boeing 737222
Aircraft serial
19941
Engine
Pwa JT8D7B
Part
P/D Valve
Condition
Malfunctioned
Location
Engine
Component
714810
Stage of operation
TO
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

CREW REPORTED A BANG TYPE NOISE HEARD WHEN POWER WAS APPLIED FOR TAKEOFF. REPLACED THE PRESSURIZING AND DUMP VALVE. OPS CHECK GOOD. SHOP TEST SHOWED NO INTERNAL FAILURE TO THE P AND D VALVE.