B767-300 flight crew reports rejected takeoff at 80 KTS for a generator drive light. The light self extinguishes and a second attempt is made; with the same result. During taxi to the gate two main tires go flat.
Synopsis
B767-300 flight crew reports rejected takeoff at 80 KTS for a generator drive light. The light self extinguishes and a second attempt is made; with the same result. During taxi to the gate two main tires go flat.
Narrative
Received 'Right Generator Drive' indication shortly after engines were stabilized at takeoff power. I called 'generator.' Captain elected to abort takeoff between 70 KTS and 80 KTS. He 'coasted' nearly the full length of the runway and used minimal braking. The generator drive indication self-cleared during the roll out. After clearing the runway; we consulted the brake cooling chart to find we needed less than 10 minutes of cooling (effectively 'off the chart' low). Discussed our options; including returning to the gate to have Maintenance look at the generator drive; or attempting a second takeoff. Captain elected to attempt a second takeoff approximately 15 minutes after the abort. Again; received 'Right Generator Drive' indication during takeoff. This time earlier in the takeoff roll. Captain elected to abort the takeoff. The airspeed indicator had not come alive yet. I estimate the speed to be about 30 KTS. While taxiing to the gate; we received notice from another aircraft that we had a flat main gear tire (number 3; I suspect). The Captain stopped the aircraft and consulted with Maintenance on how to proceed. Maintenance counseled us to continue to the gate; which was about 10 plane lengths from our parked location on the taxiway. Shortly before gate arrival; a second tire became flat (main gear tire 4; I suspect). We parked at the gate; confirmed that the aircraft was chocked; and released the brakes. Maintenance inspected the outside of the aircraft.
Second reporter narrative
Aborted takeoff at low speed due to 'Generator Drive' light. Secopnd attempte was made; 'Generator Drive' light came on again at low speed. Both aborts were started between 80-85 KTS. Taxied back to the gate. Approaching the gate notified maintenance of a possible tire deflated. I was directed by them to continue to the gate. The number 3 and number 4 tire deflated. When I began the abort the RTO never engaged; I used most of the runway to stop so the brakes did not heat up; but they did. I feel everything was done according to company procedures.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.