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Outbound from lax, B767-200 dispatched with 1 pack inoperative experiences pressurization system failure. Makes emergency descent and lands at las.
| Attributes | |
| ACN | 621968 |
| Time | |
| Date | 200406 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : zla.artcc |
| State Reference | CA |
| Altitude | msl single value : 33000 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B767-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 16000 flight time type : 3000 |
| ASRS Report | 621968 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : multi engine |
| ASRS Report | 621966 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : reverser unlock light & cabin alt warn other flight crewa other flight crewb |
| Resolutory Action | controller : issued new clearance controller : provided flight assist flight crew : diverted to another airport flight crew : landed as precaution flight crew : declared emergency |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
Departed lax with left air conditioning pack inoperative. Climbing through FL290, left reverser unlock light illuminated. After leveling FL330, cabin altitude warning activated. Very hot air began blowing from cockpit and cabin vents. Cabin climbed between 10000-15000 ft. Accomplished qrc. Declared emergency. Leveled at 10000 ft altitude, landed nearest suitable airport, las.
Original NASA ASRS Text
Title: OUTBOUND FROM LAX, B767-200 DISPATCHED WITH 1 PACK INOP EXPERIENCES PRESSURIZATION SYS FAILURE. MAKES EMER DSCNT AND LANDS AT LAS.
Narrative: DEPARTED LAX WITH L AIR CONDITIONING PACK INOP. CLBING THROUGH FL290, L REVERSER UNLOCK LIGHT ILLUMINATED. AFTER LEVELING FL330, CABIN ALT WARNING ACTIVATED. VERY HOT AIR BEGAN BLOWING FROM COCKPIT AND CABIN VENTS. CABIN CLBED BTWN 10000-15000 FT. ACCOMPLISHED QRC. DECLARED EMER. LEVELED AT 10000 FT ALT, LANDED NEAREST SUITABLE ARPT, 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.