Service difficulty report · Cooling Valve · Boeing 727232

Difficulty date
December 15, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N407DA
Make and model
Boeing 727232
Aircraft serial
21151
Part
Cooling Valve
Condition
Failed
Location
Air Connector
Component
M9131
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

DURING CLIMB AND LEVEL AT FL 240, WERE UNABLE TO MAINTAIN, CABIN SLOWEST RATE OF ASSENT WAS 700 FPM. DESCENDED AND RETURNED TO JFK. FOUND EQUIPMENT COOLING VALVE STUCK OPEN. REPLACED VALVE. RETURNED TO SERVICE.