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A B727-200 in cruise at FL310 discovered the crew oxygen was depleted and a descent was made to 14000 ft.
| Attributes | |
| ACN | 485223 |
| Time | |
| Date | 200009 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : boi.airport |
| State Reference | ID |
| Altitude | msl single value : 31000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zlc.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B727-200 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other vortac |
| Flight Phase | cruise : level |
| Route In Use | enroute airway : j15.airway |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : second officer |
| Qualification | pilot : cfi pilot : flight engineer pilot : instrument pilot : multi engine |
| Experience | flight time last 90 days : 150 flight time total : 15000 flight time type : 4000 |
| ASRS Report | 485223 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : multi engine pilot : instrument pilot : flight engineer pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 210 flight time total : 14000 flight time type : 3000 |
| ASRS Report | 485225 |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : crew oxygen pressure indications other flight crewa |
| Resolutory Action | flight crew : regained aircraft control |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft Chart Or Publication Company Flight Crew Human Performance Maintenance Human Performance Environmental Factor |
| Primary Problem | Aircraft |
Narrative:
En route dfw-pdx, crew noted crew oxygen supply had dropped to approximately 50 psi. Coordinated early descent, initially to 14000 ft, with ATC and dispatch.
Original NASA ASRS Text
Title: A B727-200 IN CRUISE AT FL310 DISCOVERED THE CREW OXYGEN WAS DEPLETED AND A DSCNT WAS MADE TO 14000 FT.
Narrative: ENRTE DFW-PDX, CREW NOTED CREW OXYGEN SUPPLY HAD DROPPED TO APPROX 50 PSI. COORDINATED EARLY DSCNT, INITIALLY TO 14000 FT, WITH ATC AND DISPATCH.
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.