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A 777 flight crew was alerted by the flight attendants of unusual noises heard emanating from the cargo area. A loose pallet was suspected and a successful precautionary landing was made using minimal braking.
| Attributes | |
| ACN | 1306298 |
| Time | |
| Date | 201510 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Component | |
| Aircraft Component | Cargo Restraint/Tie Down |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Experience | Flight Crew Last 90 Days 188 Flight Crew Total 14623 Flight Crew Type 769 |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Deviation - Procedural Weight And Balance Flight Deck / Cabin / Aircraft Event Other / Unknown |
Narrative:
During cruise flight; flight attendant called and asked about the 'bang' sound during take-off. Both pilots were unaware of the sound. Approx. 1 hour later; she called and said she heard it again under the floor; mid galley. We contacted dispatch with this info and were told they believe it's a cargo pallet. The called on sat phone and we discussed the problem. They advised. We told ZZZ to give us the longest runway. Upon landing; I used very little breaking to slow down (so the pallet would not shift further) and exited the runway at the very end. Landing was uneventful.after parking at the gate; a ramp personnel came to the cockpit and told me that not only was the pallet not tied-down; it also was not locked into place. He said it was moving around freely.
Original NASA ASRS Text
Title: A 777 flight crew was alerted by the flight attendants of unusual noises heard emanating from the cargo area. A loose pallet was suspected and a successful precautionary landing was made using minimal braking.
Narrative: During cruise flight; Flight Attendant called and asked about the 'bang' sound during take-off. Both pilots were unaware of the sound. Approx. 1 hour later; she called and said she heard it again under the floor; mid galley. We contacted dispatch with this info and were told they believe it's a cargo pallet. The called on Sat Phone and we discussed the problem. They advised. We told ZZZ to give us the longest Runway. Upon landing; I used very little breaking to slow down (so the pallet would not shift further) and exited the Runway at the very end. Landing was uneventful.After parking at the gate; a ramp personnel came to the cockpit and told me that not only was the pallet not tied-down; it also was not locked into place. He said it was moving around freely.
Data retrieved from NASA's ASRS site 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.