A fokker 100, with automatic pressurization placarded inoperative, lost manual control of pressurization in climb and returned to dfw.

Home

Browse by month

Random

Latest

About

Contact

Attributes
ACN	434591
Time
Date	199904
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	navaid : adm.vortac
State Reference	OK
Altitude	msl single value : 21000
Aircraft 1
Controlling Facilities	artcc : zfw.artcc
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : multi engine
ASRS Report	434591
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : diverted to alternate
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Automatic pressurization placarded inoperative. Dispatched manual pressurization. Original destination cos, so we were climbing the cabin towards 6100 ft. Passing about FL210 or of FL220, cabin was climbing along nicely at 300-400 FPM. Suddenly rate shot up unctlably and cabin reached 10000 ft. Descended to 14000 ft and regained control. Returned to dfw.

Original NASA ASRS Text

Title: A FOKKER 100, WITH AUTO PRESSURIZATION PLACARDED INOP, LOST MANUAL CTL OF PRESSURIZATION IN CLB AND RETURNED TO DFW.

Narrative: AUTO PRESSURIZATION PLACARDED INOP. DISPATCHED MANUAL PRESSURIZATION. ORIGINAL DEST COS, SO WE WERE CLBING THE CABIN TOWARDS 6100 FT. PASSING ABOUT FL210 OR OF FL220, CABIN WAS CLBING ALONG NICELY AT 300-400 FPM. SUDDENLY RATE SHOT UP UNCTLABLY AND CABIN REACHED 10000 FT. DSNDED TO 14000 FT AND REGAINED CTL. RETURNED TO DFW.

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.