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A B777's main battery and battery charger faulted in flight. The flight crew returned to the departure airport.
| Attributes | |
| ACN | 847062 |
| Time | |
| Date | 200908 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZZ.ARTCC |
| State Reference | FO |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | DC Battery |
| Person 1 | |
| Function | Pilot Flying First Officer |
| Person 2 | |
| Function | Captain Pilot Not Flying |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor |
Narrative:
During cruise; started to smell something abnormal; shut off gasper fan; and recirculation fans. Smell started to go away. Then we had a no land 3 status message. Followed by a status message of main battery; and battery charger. Called maintenance. Captain and I decided to to back to departure airport. Declared an emergency with center; and went back to our departure airport. Did an overweight landing 518;000 pounds. Had airplane checked with air fire rescue; all checked normal; went to gate. Airplane was fixed and we left.
Original NASA ASRS Text
Title: A B777's Main Battery and Battery Charger faulted in flight. The flight crew returned to the departure airport.
Narrative: During cruise; started to smell something abnormal; shut off gasper fan; and recirculation fans. Smell started to go away. Then we had a NO LAND 3 status message. Followed by a status message of MAIN BATTERY; and BATTERY CHARGER. Called Maintenance. Captain and I decided to to back to departure airport. Declared an emergency with Center; and went back to our departure airport. Did an overweight landing 518;000 LBS. Had airplane checked with air fire rescue; all checked normal; went to gate. Airplane was fixed and we left.
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.