MD-82
Flight Crew Air Transport Pilot (ATP)
Training / Qualification; Distraction; Troubleshooting
Aircraft Equipment Problem Critical
Flight Crew Diverted; Flight Crew FLC complied w / Automation / Advisory; Flight Crew Took Evasive Action; General Declared Emergency
Aircraft
Lost cabin pressurization; Cabin Altitude Warning [we] performed red block items. Immediately regained cabin pressurization with Manual Control. [We] descended from FL330; while the First Officer read the QRH checklist. [We] stopped at FL240 as First Officer had cabin pressure stable with manual control. [We] talked to flight attendants and Dispatch based on information elected to divert.
An MD82's AUTO Cabin Pressure Controller failed at FL330; flight crew declared an emergency and while descending the First Officer stabilized the cabin in Manual Control. After leveling at FL240 the flight diverted to a nearby airport.