Service difficulty report · Controller · Boeing 737522

Difficulty date
April 25, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N928UA
Make and model
Boeing 737522
Aircraft serial
26651
Engine
Ge CFM56*
Part
Controller
Condition
Malfunctioned
Location
Cabin
Component
Hamilton Sta · 7638101
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

CABIN PRESSURE WAS UNCONTROLLABLE DURING CLIMB OUT IN BOTH AUTO AND STANDBY. *S/D* AFTER RECYCLING THE PACKS, PRESSURIZATION OPERATES PROPERLY. ALL DOOR SEALS WERE CHECKED AND FOUND TO BE OK. REPLACED THE CABIN PRESSURE CONTROLLER.