As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - LEFT ENGINE TORQUE INDICATION REPORTED ERRATIC DURING TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT ENGINE TORQUE SIGNAL CONDITION. PROBLEM REOCCURED ON SUBSEQUENT TAKEOFF ROLL. MAINTENANCE REPLACED TORQUE MONITOR SENSOR FOLLOWING SECOND ABORTED TAKEOFF. TORQUE INDICATION SYSTEM OPERATIONAL CHECK NORMAL DURING ENGINE GROUND RUN AND TEST FLIGHT. AIRCRAFT RETURNED TO SERVICE. (M)