As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE SHUTDOWN: WHEN CLIMBING TO CRUISE PWR NR 2 ENG TORQUE BECAME ERRATIC WITH PWR CHANGES. CREW NOTICED THE RT ENGINE APPEARED TO BE SURGING OUT OF CONTROL. PILOT ELECTED SHUTDOWN NR 2 ENG. NO EMERGENCY WAS DECLARED. T/S FOUND CONNECTOR FOR TSC, ECU, HMU AND ENGINE OILY AND LOOSE. REMOVED, CLEANED AND RE-INSTALLED CONNECTOR AND REPAIRED BROKEN WIRE. OPS CHECK GOOD. ACFT RETURNED TO SERVICE.