Large transport has pressurization problem declares emergency and makes descent.

Attributes
ACN	342167
Time
Date	199607
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : pit
State Reference	PA
Altitude	msl bound lower : 10000 msl bound upper : 37000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zob
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	cruise other descent other other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 250 flight time total : 10000 flight time type : 2900
ASRS Report	342167
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : declared emergency other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

Emergency descent performed due to cabin pressure control failure. Flight descended from FL370 to 10000 ft. Flew to cmh, departure point. Declared emergency and ATC cleared us down to 10000 ft. ATC great help during emergency. Landed cmh without further incident.

Original NASA ASRS Text

Title: LGT HAS PRESSURIZATION PROB DECLARES EMER AND MAKES DSCNT.

Narrative: EMER DSCNT PERFORMED DUE TO CABIN PRESSURE CTL FAILURE. FLT DSNDED FROM FL370 TO 10000 FT. FLEW TO CMH, DEP POINT. DECLARED EMER AND ATC CLRED US DOWN TO 10000 FT. ATC GREAT HELP DURING EMER. LANDED CMH WITHOUT FURTHER INCIDENT.

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.