As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL, NR 1 ENGINE TORQUE READING CLIMBED RAPIDLY THEN DROPPED TO 7,000 LBS, RPM DROPPED TO 97 PERCENT. ABORTED TAKEOFF WITHOUT INCIDENT. FOUND NR 1 PROP VALVE HOUSING DEFECTIVE. REPLACED NR 1 VALVE HOUSING IAW SAT J/C 7101 AND 7101-2, OPS CHECKED GOOD.