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A B777 dumped fuel and diverted after departing for an international destination when a loud intermittent banging and vibration was felt; aircraft right; near rows 21-26.
| Attributes | |
| ACN | 961133 |
| Time | |
| Date | 201107 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZZ.ARTCC |
| State Reference | FO |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B777-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
The diversion was required due to a loud intermittent banging noise coupled with cabin floor vibration in the vicinity of rows 21-26 aircraft right. Flight dumped approximately 100;000 pounds of fuel to allow a landing below the maximum landing weight of 460;000 pounds. The fuel dump lasted approximately 25 minutes at FL320.
Original NASA ASRS Text
Title: A B777 dumped fuel and diverted after departing for an international destination when a loud intermittent banging and vibration was felt; aircraft right; near rows 21-26.
Narrative: The diversion was required due to a loud intermittent banging noise coupled with cabin floor vibration in the vicinity of rows 21-26 aircraft right. Flight dumped approximately 100;000 LBS of fuel to allow a landing below the maximum landing weight of 460;000 LBS. The fuel dump lasted approximately 25 minutes at FL320.
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.