B737-400 crew lost control of pressurization after the throttles were closed for descent in ZID clas...

Attributes
ACN	555311
Time
Date	200207
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : ind.airport
State Reference	IN
Altitude	msl single value : 31000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zid.artcc
Operator	common carrier : air carrier
Make Model Name	B737-400
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	descent : vacating altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 180 flight time total : 10000 flight time type : 8000
ASRS Report	555311
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : cabin differential press indicator cab rate of clb indicator other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance controller : provided flight assist flight crew : landed as precaution flight crew : diverted to another airport flight crew : declared emergency none taken : detected after the fact other
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

At FL310 starting down to FL290, cabin pressure started to rise rapidly. Crew executed immediate action items as per QRH and moved on to accomplish checklist. Unable to regain cabin pressure, diverted from stl to ind and landed safely with no injury to crew or passenger and no additional mechanical failures.

Original NASA ASRS Text

Title: B737-400 CREW LOST CTL OF PRESSURIZATION AFTER THE THROTTLES WERE CLOSED FOR DSCNT IN ZID CLASS A AIRSPACE.

Narrative: AT FL310 STARTING DOWN TO FL290, CABIN PRESSURE STARTED TO RISE RAPIDLY. CREW EXECUTED IMMEDIATE ACTION ITEMS AS PER QRH AND MOVED ON TO ACCOMPLISH CHKLIST. UNABLE TO REGAIN CABIN PRESSURE, DIVERTED FROM STL TO IND AND LANDED SAFELY WITH NO INJURY TO CREW OR PAX AND NO ADDITIONAL MECHANICAL FAILURES.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

B737-400 crew lost control of pressurization after the throttles were closed for descent in ZID class a airspace.