Narrative:

We aborted the take-off during ferry flight due to wheel vibration. The inbound crew had a vibration in the main landing gear during take-off roll in the high speed regime and again on landing. The aircraft had just undergone a brake change on the #4 tire before its prior departure. Speculation was that the brake change may have been the cause of the vibration in the high speed regime during take-off.contract maintenance removed both wheels from the right axle and found no obvious defects with the brake system. However; there were 2 new tires on the right main that had varying tire pressures. It was thought that one of the tires was out of round or out of alignment. Two new tires were ferried in on the next company flight. Contract maintenance then replaced both wheels on the right main gear. We received a new maintenance release and prepared for departure.the crew briefed the take-off abort procedure in detail. During the take-off roll the first officer called '80 KTS - thrust set'. Immediately above 80 KTS there was a moderate vibration felt by both crew members and the captain initiated an aborted take-off by 95 KTS. We taxied the plane back to the gate. There was no damage to the aircraft during the aborted take-off. Company mechanics drove down during the night to work on the problem so we could ferry the aircraft the next day. However during high speed taxi tests the vibration still existed. The aircraft was placed out of service.

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Original NASA ASRS Text

Title: Despite maintenance efforts to resolve the issue; an A319 flight crew rejected their takeoff when vibrations from the right main gear wheels recurred.

Narrative: We aborted the take-off during ferry flight due to wheel vibration. The inbound crew had a vibration in the main landing gear during take-off roll in the high speed regime and again on landing. The aircraft had just undergone a brake change on the #4 tire before its prior departure. Speculation was that the brake change may have been the cause of the vibration in the high speed regime during take-off.Contract Maintenance removed both wheels from the right axle and found no obvious defects with the brake system. However; there were 2 new tires on the right main that had varying tire pressures. It was thought that one of the tires was out of round or out of alignment. Two new tires were ferried in on the next company flight. Contract Maintenance then replaced both wheels on the right main gear. We received a new maintenance release and prepared for departure.The crew briefed the Take-Off Abort procedure in detail. During the take-off roll the First Officer called '80 KTS - Thrust Set'. Immediately above 80 KTS there was a moderate vibration felt by both crew members and the Captain initiated an aborted take-off by 95 KTS. We taxied the plane back to the gate. There was no damage to the aircraft during the aborted take-off. Company Mechanics drove down during the night to work on the problem so we could ferry the aircraft the next day. However during high speed taxi tests the vibration still existed. The aircraft was placed out of service.

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.