As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROLLOUT AND TAXI-IN ACFT SEEMED TO BE PRODUCING THRUST WITH POWER LEVERS AT FULL DISC POSITION. CONSTANT BRAKING WAS NEEDED TO CONTROL SPEED. AFTER SHUTDOWN NR 2 PEC CAUTION & POWERPLANT MESSAGE. REPLACED NR 2 PCU & JUNCTION BOX DB3-K2 DAUGHTER BOARD 3 IAW TASKS 61-20-11-000-801 & 61-20-11-400-801 & 20-30-16-960-801 & 24-50-60-400-801 OF AMM. ALL OPS CHECKS GOOD. LEAK CHECK GOOD. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.