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B757 flight crew reports being dispatched with an inoperative pack then loosing the second pack shortly after takeoff. When pack won't reset flight returns to departure airport for an overweight landing.
| Attributes | |
| ACN | 1044170 |
| Time | |
| Date | 201210 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Component | |
| Aircraft Component | Air Conditioning and Pressurization Pack |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Pilot Flying First Officer |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Right pack placarded inoperative. At approximately 4;000 ft left pack failed. Complied with QRH procedure; left pack would not reset. Informed dispatch; declared emergency with ATC for overweight landing. Soft; uneventful landing and taxied to gate and briefed maintenance. Do not allow dispatch on a single pack.
Original NASA ASRS Text
Title: B757 flight crew reports being dispatched with an inoperative pack then loosing the second pack shortly after takeoff. When pack won't reset flight returns to departure airport for an overweight landing.
Narrative: Right pack placarded inoperative. At approximately 4;000 FT left pack failed. Complied with QRH procedure; left pack would not reset. Informed Dispatch; declared emergency with ATC for overweight landing. Soft; uneventful landing and taxied to gate and briefed Maintenance. Do not allow Dispatch on a single pack.
Data retrieved from NASA's ASRS site as of July 2013 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.