Divert land due to aircraft equipment problem climbing cabin altitude.

Attributes
ACN	304950
Time
Date	199505
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : sps
State Reference	TX
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zfw
Operator	common carrier : air carrier
Make Model Name	MD-80 Super 80
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	descent other other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	304950
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical inflight encounter : weather other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	none taken : anomaly accepted other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Holding over sps, in WX, icing conditions, experienced slow rise in cabin pressure along with flow light. After several mins of trouble-shooting, unable to correct problem. Asked ATC for and received clearance for expedited descent to a lower altitude. In a descending left turn, at around 10000 ft, pressurization system returned to normal. Diverted to okc due to thunderstorms at dfw and pressurization malfunction. Landed okc, maintenance unable to fix. Flew to okc-dfw in another aircraft with passenger.

Original NASA ASRS Text

Title: DIVERT LAND DUE TO ACFT EQUIP PROB CLBING CABIN ALT.

Narrative: HOLDING OVER SPS, IN WX, ICING CONDITIONS, EXPERIENCED SLOW RISE IN CABIN PRESSURE ALONG WITH FLOW LIGHT. AFTER SEVERAL MINS OF TROUBLE-SHOOTING, UNABLE TO CORRECT PROB. ASKED ATC FOR AND RECEIVED CLRNC FOR EXPEDITED DSCNT TO A LOWER ALT. IN A DSNDING L TURN, AT AROUND 10000 FT, PRESSURIZATION SYS RETURNED TO NORMAL. DIVERTED TO OKC DUE TO TSTMS AT DFW AND PRESSURIZATION MALFUNCTION. LANDED OKC, MAINT UNABLE TO FIX. FLEW TO OKC-DFW IN ANOTHER ACFT WITH PAX.

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.