Service difficulty report · Pressure Syst · Boeing 737232

Difficulty date
January 26, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N320DL
Make and model
Boeing 737232
Aircraft serial
23092
Part
Pressure Syst
Condition
Malfunctioned
Location
Cabin
Component
7638101
Stage of operation
DE
Nature of condition
J
Precautionary procedure
B, G

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

What was found

DESCENDING THROUGH 32,000 FOR 31,000, CABIN PRESSURIZATION WAS LOST. FWD OUTFLOW VALVE INDICATED CLOSED, MAIN OUTFLOW VALVE INDICATED FULL CLOSED. INITIATED DESCENT TO 10,000, ALL OX MASKS DEPLOYED. REPLACED BOTH CARGO DOOR SEALS, PRESS CONTROLLER, BOTH PRESS RELIEF VLVS, RELEASE SOLENOIDS AT SEATS 14 ABC, 18 ABC AND AT AFT F/A JUMPSEAT.