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An md super 80 at FL330 lost cabin pressure due to a pack trip. Descended and reset pack, regained cruise altitude with no further pressurization problems.
| Attributes | |
| ACN | 436071 |
| Time | |
| Date | 199905 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : txk.vortac |
| State Reference | AR |
| Altitude | msl single value : 33000 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zfw.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 436071 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : multi engine pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : cabin pressure indicator other flight crewa other flight crewb |
| Resolutory Action | aircraft : equipment problem dissipated controller : issued new clearance flight crew : declared emergency |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
FL330. Pack tripped. Cabin climbed. Began descent to FL210. Arrested cabin at 9200 ft. FL210, regained pack. Climbed back to cruise altitude and continued flight. No further pressurization problems.
Original NASA ASRS Text
Title: AN MD SUPER 80 AT FL330 LOST CABIN PRESSURE DUE TO A PACK TRIP. DSNDED AND RESET PACK, REGAINED CRUISE ALT WITH NO FURTHER PRESSURIZATION PROBS.
Narrative: FL330. PACK TRIPPED. CABIN CLBED. BEGAN DSCNT TO FL210. ARRESTED CABIN AT 9200 FT. FL210, REGAINED PACK. CLBED BACK TO CRUISE ALT AND CONTINUED FLT. NO FURTHER PRESSURIZATION PROBS.
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.