As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER TAKEOFF, NR 1 PROP WENT SLOWLY IN AND OUT OF FEATHER (GENTLY) THREE TIMES. PRECAUTIONARY SHUT DOWN OF NR 1 ENGINE CARRIED OUT. AIRCRAFT DIVERTED TO NEAREST AIRPORT. MAINTENANCE INSPECTED AND REPLACED NR 1 PROP CONTROL UNIT, GROUND RUN AND LEAK CHECKED SERVICEABLE. AIRCRAFT RETURNED TO SERVICE.