As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6424 - IAD-BUF - ABORTED TAKEOFF DUE TO THE LEFT ENGINE POWER DROPPING OFF 40 PERCENT DURING THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REPOSITIONED T2 SENSOR. AIRCRAFT WAS RELEASED APPROVED FOR RETURN TO SERVICE. (M)