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A B767-300 dispatched with one air conditioning pack MEL'ed took off and experienced the second pack failure. An emergency was declared with a return to land overweight.
| Attributes | |
| ACN | 844724 |
| Time | |
| Date | 200907 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Air Conditioning and Pressurization Pack |
| Person 1 | |
| Function | First Officer |
| Person 2 | |
| Function | Relief Pilot |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
The flight sequence was from a us to a european airport. Due to the constant lack of corrective maintenance we were dispatched with an inoperative right pack. The aircraft's left pack overheated and shut down on the takeoff (the right pack was inoperative and already turned off). The left pack shut down and created a pressurization failure due to no packs operating. We leveled at 3000 ft MSL. We were forced to return and conduct an overweight landing. We declared an emergency with ATC. The constant dispatching of aircraft with partial systems inoperative creates an unsafe operation. The cost saving measures from management has created an environment of an unusual number of emergencies. I believe the industry and management value cost before safety. My fellow professional pilots at other airlines have similar concerns about safety.
Original NASA ASRS Text
Title: A B767-300 dispatched with one air conditioning pack MEL'ed took off and experienced the second pack failure. An emergency was declared with a return to land overweight.
Narrative: The flight sequence was from a US to a European airport. Due to the constant lack of corrective maintenance we were dispatched with an inoperative right pack. The aircraft's left pack overheated and shut down on the takeoff (the right pack was inoperative and already turned off). The left pack shut down and created a pressurization failure due to no packs operating. We leveled at 3000 FT MSL. We were forced to return and conduct an overweight landing. We declared an emergency with ATC. The constant dispatching of aircraft with partial systems inoperative creates an unsafe operation. The cost saving measures from management has created an environment of an unusual number of emergencies. I believe the industry and management value cost before safety. My fellow professional pilots at other airlines have similar concerns about safety.
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.