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B737 flight crew experienced a cabin altitude warning horn passing FL317 in climb. Emergency descent is initiated with diversion to nearest suitable airport. Passenger oxygen masks did not deploy.
| Attributes | |
| ACN | 840272 |
| Time | |
| Date | 200906 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.VOR |
| State Reference | US |
| Environment | |
| Flight Conditions | Mixed |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Pressurization System |
| Person 1 | |
| Function | Captain |
| Experience | Flight Crew Last 90 Days 228 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Passing FL317 got cabin pressure warning horn. Coordinated with ATC for emergency descent to lower altitude; accomplished all emergency checklists; coordinated with dispatch and maintenance about problem; and coordinated with flight attendant's about any cabin issues (no masks dropped). As problem continued; declared an emergency with ATC and diverted. Coordinated with ATC; dispatch; maintenance; flight attendant's about decision to divert. Generic brief to passengers to keep then informed as required. Landed safely; talked to all passengers and crew about comfort level to continue. Made decision to continue with another.
Original NASA ASRS Text
Title: B737 flight crew experienced a cabin altitude warning horn passing FL317 in climb. Emergency descent is initiated with diversion to nearest suitable airport. Passenger oxygen masks did not deploy.
Narrative: Passing FL317 got cabin pressure warning horn. Coordinated with ATC for emergency descent to lower altitude; accomplished all Emergency checklists; coordinated with Dispatch and Maintenance about problem; and coordinated with Flight Attendant's about any cabin issues (no masks dropped). As problem continued; declared an emergency with ATC and diverted. Coordinated with ATC; Dispatch; Maintenance; Flight Attendant's about decision to divert. Generic brief to Passengers to keep then informed as required. Landed safely; talked to all passengers and crew about comfort level to continue. Made decision to continue with another.
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.