37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Attributes | |
ACN | 484297 |
Time | |
Date | 200009 |
Day | Wed |
Local Time Of Day | 0601 To 1200 |
Place | |
Locale Reference | airport : bicc.airport |
State Reference | VA |
Altitude | msl single value : 27000 |
Environment | |
Flight Conditions | IMC |
Weather Elements | Ice |
Light | Daylight |
Aircraft 1 | |
Controlling Facilities | artcc : zdc.artcc tower : lga.tower |
Operator | common carrier : air carrier |
Make Model Name | B737-400 |
Operating Under FAR Part | Part 121 |
Navigation In Use | other other vortac |
Flight Phase | cruise : level |
Route In Use | enroute airway : ns.airway |
Flight Plan | IFR |
Person 1 | |
Affiliation | company : air carrier |
Function | flight crew : captain oversight : pic |
Qualification | pilot : atp pilot : cfi pilot : flight engineer |
Experience | flight time last 90 days : 250 flight time total : 20000 flight time type : 14000 |
ASRS Report | 484297 |
Person 2 | |
Affiliation | company : air carrier |
Function | flight crew : first officer |
Qualification | pilot : commercial pilot : multi engine pilot : instrument |
Events | |
Anomaly | aircraft equipment problem : critical other anomaly other |
Independent Detector | other flight crewa |
Resolutory Action | controller : issued new clearance flight crew : overrode automation flight crew : regained aircraft control flight crew : took evasive action flight crew : overcame equipment problem other |
Consequence | faa : reviewed incident with flight crew other other |
Factors | |
Maintenance | performance deficiency : repair |
Supplementary | |
Problem Areas | Aircraft Maintenance Human Performance |
Primary Problem | Aircraft |
Narrative:
At FL270, right bleed trip would not rest, left bleed trip came on. Got autofail light, cabin started depressurizing. Requested 10000 ft, went to standby on pressurization. Got pressurization stabilized by 15000 ft. Engine and wing anti-ice were on. Had similar problem on same aircraft on previous flight.
Original NASA ASRS Text
Title: A B737-400 CAPT RPTED THAT THE R BLEED TRIP WOULD NOT RESET IN THE VICINITY OF RIC AND THAT HE HAD THE SAME PROB WITH THIS ACFT ON AN EARLIER FLT.
Narrative: AT FL270, R BLEED TRIP WOULD NOT REST, L BLEED TRIP CAME ON. GOT AUTOFAIL LIGHT, CABIN STARTED DEPRESSURIZING. REQUESTED 10000 FT, WENT TO STANDBY ON PRESSURIZATION. GOT PRESSURIZATION STABILIZED BY 15000 FT. ENG AND WING ANTI-ICE WERE ON. HAD SIMILAR PROB ON SAME ACFT ON PREVIOUS FLT.
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.