As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4021 - DURING TAKEOFF AT APPROXIMATELY 80 KNOTS CAPTAIN NOTICED ERRATIC TORQUE INDICATION, LEFT ENGINE. TAKEOFF WAS ABORTED. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. PIT MAINTENANCE CONDUCTED ENGINE GROUND IAW GARRETT MM 72-00-00. UNABLE TO DUPLICATE PROBLEM, AIRCRAFT WAS RETURNED TO SERVICE. (W)