As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PSC - ON TAKEOFF POWER APPLICATION, NR 2 PROP SURGES TO 1200 RPM WELL AHEAD OF NR 1 PROP. ON TOUCHDOWN (WITH POWER LEVERS AT FLIGHT IDLE) WHEN CONDITION LEVERS ARE ADVANCED NR 2 PROP SURGES TO 1200 RPM AND FALLS TO 900 AFTER APPROXMITELY 10 SECONDS, NR 1 PROP REMAINS AT 900. REMOVED AND REPLACED NR 2 PROP CONTROL UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.