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An MD11 reverted to emergency electrical power and returned to the departure airport after dumping 40;000 pounds of fuel.
| Attributes | |
| ACN | 886035 |
| Time | |
| Date | 201004 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | MD-11 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Route In Use | Other Controlled |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Electrical Power |
| Person 1 | |
| Function | Pilot Not Flying |
| Experience | Flight Crew Last 90 Days 25 Flight Crew Total 6500 Flight Crew Type 2400 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Event started with - emergency power on - level one warning; with a master caution light. We talked to dispatch and maintenance control and were advised to turn around. 40;000 pounds of fuel were dumped for return to ZZZ. Battery lasted around 70 minutes. Emergency was declared roughly 20 minutes from ZZZ. Air driven generator [air driven generator] was deployed; problem solved.
Original NASA ASRS Text
Title: An MD11 reverted to emergency electrical power and returned to the departure airport after dumping 40;000 pounds of fuel.
Narrative: Event started with - EMERGENCY POWER ON - level one warning; with a Master Caution light. We talked to Dispatch and Maintenance Control and were advised to turn around. 40;000 pounds of fuel were dumped for return to ZZZ. Battery lasted around 70 minutes. Emergency was declared roughly 20 minutes from ZZZ. ADG [Air Driven Generator] was deployed; problem solved.
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.