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Loss of cabin pressure mandates an emergency descent after emergency declared with a diversion to alternate airport.
| Attributes | |
| ACN | 220465 |
| Time | |
| Date | 199209 |
| Day | Thu |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : bae |
| State Reference | WI |
| Altitude | msl bound lower : 30000 msl bound upper : 33000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zau tracon : mco |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | climbout : intermediate altitude other other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 190 flight time total : 12250 flight time type : 8300 |
| ASRS Report | 220465 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : exited adverse environment flight crew : declared emergency flight crew : overcame equipment problem other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
On climb out to FL330 at 30000, we experienced an uncontrollable cabin altitude climb combined with cabin altitude warning horn as cabin altitude was going through 11000 ft (aircraft at 30000). We declared an emergency with ZAU and began an emergency descent to 10000 ft. As we regained control of cabin and reaching 10000 ft we cancelled the emergency and made diversionary landing at mke.
Original NASA ASRS Text
Title: LOSS OF CABIN PRESSURE MANDATES AN EMER DSCNT AFTER EMER DECLARED WITH A DIVERSION TO ALTERNATE ARPT.
Narrative: ON CLBOUT TO FL330 AT 30000, WE EXPERIENCED AN UNCTLABLE CABIN ALT CLB COMBINED WITH CABIN ALT WARNING HORN AS CABIN ALT WAS GOING THROUGH 11000 FT (ACFT AT 30000). WE DECLARED AN EMER WITH ZAU AND BEGAN AN EMER DSCNT TO 10000 FT. AS WE REGAINED CTL OF CABIN AND REACHING 10000 FT WE CANCELLED THE EMER AND MADE DIVERSIONARY LNDG AT MKE.
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.