 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Flight crew of B737 has pressurization problem at FL280. Unable to prevent continued cabin climb even with manual control, they declare emergency.
| Attributes | |
| ACN | 389264 |
| Time | |
| Date | 199712 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : las |
| State Reference | NV |
| Altitude | msl bound lower : 28000 msl bound upper : 28000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla tower : shv |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise 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 : 230 flight time total : 14500 flight time type : 7500 |
| ASRS Report | 389264 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified |
| Resolutory Action | flight crew : declared emergency other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
At FL280 cabin horn sounded. Cabin at 10000 ft and climbing. Following the checklist, could not stop cabin from climbing. Switched to manual mode to prevent cabin exceeding 14000 ft. Declared an emergency, diverted and landed in las.
Original NASA ASRS Text
Title: FLC OF B737 HAS PRESSURIZATION PROB AT FL280. UNABLE TO PREVENT CONTINUED CABIN CLB EVEN WITH MANUAL CTL, THEY DECLARE EMER.
Narrative: AT FL280 CABIN HORN SOUNDED. CABIN AT 10000 FT AND CLBING. FOLLOWING THE CHKLIST, COULD NOT STOP CABIN FROM CLBING. SWITCHED TO MANUAL MODE TO PREVENT CABIN EXCEEDING 14000 FT. DECLARED AN EMER, DIVERTED AND LANDED IN LAS.
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.