Service difficulty report · Valve · Boeing 727222

Difficulty date
January 26, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N7252U
Make and model
Boeing 727222
Aircraft serial
21399
Engine
Pwa JT8D15
Part
Valve
Condition
Malfunctioned
Location
Cabin
Stage of operation
CL
Nature of condition
J
Precautionary procedure
A

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

What was found

AIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. RETURNED TO DEN. *S/D* MAINTENANCE SUSPECTED THE TASK VALVE. TASK VALVE REPLACED. TECHNICAL SERVICES COULD NOT IDENTIFY THE TASK VALVE REFERRED TO, NO PART NUMBER GIVEN.