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A B757-200's cabin pressure slowly climbed to 10;000 ft and activated the cabin altitude warning horn. An emergency was declared and the flight diverted to an enroute airport but the malfunction's cause was not determined.
| Attributes | |
| ACN | 923964 |
| Time | |
| Date | 201012 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Route In Use | Oceanic |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Pressurization System |
| Person 1 | |
| Function | First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
At cruise altitude; FL280; cabin altitude warning and horn [sounded]. Observed cabin altitude at approximately 10;000 ft
Original NASA ASRS Text
Title: A B757-200's cabin pressure slowly climbed to 10;000 FT and activated the Cabin Altitude Warning Horn. An emergency was declared and the flight diverted to an enroute airport but the malfunction's cause was not determined.
Narrative: At cruise altitude; FL280; Cabin Altitude warning and horn [sounded]. Observed cabin altitude at approximately 10;000 FT
Data retrieved from NASA's ASRS site as of April 2012 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.