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B747-400 captain reported returning to international departure airport when moderate vibrations could not be identified.
| Attributes | |
| ACN | 980659 |
| Time | |
| Date | 201111 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZZ.ARTCC |
| State Reference | FO |
| Aircraft 1 | |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
Dumped 130;000 pounds of fuel in order to return to [departure airport]. Aircraft had moderate vibrations the origin of which could not be identified.
Original NASA ASRS Text
Title: B747-400 Captain reported returning to international departure airport when moderate vibrations could not be identified.
Narrative: Dumped 130;000 pounds of fuel in order to return to [departure airport]. Aircraft had moderate vibrations the origin of which could not be identified.
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.