As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ADVANCING POWER FOR TAKEOFF, NR 1 TORQUE GAUGE PEGGED, THEN RETURNED TO NORMAL. ALL OTHER INDICATIONS NORMAL. REMOVED THE NR 1 TORQUE GAUGE. DISCONNECTED CONNECTOR, CLEANED AND RECONNECTED. GROUND RAN ACFT. OPS CHECKED GOOD. OK FOR SERVICE.