Narrative:

We were planning a flaps 5; bleeds on; and reduced power take-off at [an] intersection. As we approached [the intersection]; tower told us to proceed down to the end for a full length departure. I elected to keep the same take-off performance data for the shorter intersection departure as we were number one to go. We were cleared into position and given take-off clearance shortly after. The initial take-off roll was normal. As the pilot monitoring; I called 100 kts. And scanned the gauges for any abnormalities. As my eyes came back to check our speed I heard and felt a dull thump and the aircraft began to shake and vibrate very heavily. I estimated our speed to be about 120 kts. Our V1 speed was calculated at 153 kts. The vibrations and shaking were getting worse so I announced 'reject' and initiated the rejected takeoff (rejected takeoff) procedure because I felt that the aircraft would be unsafe to fly. The first officer told the tower we were rejecting and requested emergency assistance. We came to a stop and ran the rejected takeoff checklist. We confirmed that there was no fire outside the aircraft and that there was no smoke or fumes in the cabin so I elected to keep everybody on board. There were no injuries or medical emergencies. It was impossible to taxi the aircraft due to failure of both left main tires. All passengers and crew deplaned via air stairs and put on buses back to the terminal.

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Original NASA ASRS Text

Title: B737NG flight crew reported rejecting takeoff at approximately 120 kts after experiencing heavy vibrations related to tire failure.

Narrative: We were planning a Flaps 5; Bleeds On; and Reduced Power take-off at [an] intersection. As we approached [the intersection]; Tower told us to proceed down to the end for a full length departure. I elected to keep the same take-off performance data for the shorter intersection departure as we were number one to go. We were cleared into position and given take-off clearance shortly after. The initial take-off roll was normal. As the pilot monitoring; I called 100 kts. and scanned the gauges for any abnormalities. As my eyes came back to check our speed I heard and felt a dull thump and the aircraft began to shake and vibrate very heavily. I estimated our speed to be about 120 kts. Our V1 speed was calculated at 153 kts. The vibrations and shaking were getting worse so I announced 'reject' and initiated the Rejected Takeoff (RTO) procedure because I felt that the aircraft would be unsafe to fly. The First Officer told the tower we were rejecting and requested emergency assistance. We came to a stop and ran the RTO checklist. We confirmed that there was no fire outside the aircraft and that there was no smoke or fumes in the cabin so I elected to keep everybody on board. There were no injuries or medical emergencies. It was impossible to taxi the aircraft due to failure of both left main tires. All passengers and crew deplaned via air stairs and put on buses back to the terminal.

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.