As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMB AT 3000FT CAPTAIN NOTICED #1 ENG SURGING THEN THE PEC CAUTION ILLUMINATED. SHORTLY AFTERWARDS THE PROP RPM WENT FORM 900 TO 1060 UN-COMMANDED WHICH WAS HELD BY THE OVERSPEED GOVERNOR. THE CREW THEN ACTIONED THE QRH AND SHUT DOWN THE ENGINE. TECHNICIANS FOUND BETA FEEDBACK TRANSDUCER FAULTY. TRANSDUCER IS PRE MOD (PRE DOWTY S/B 8400-61-091). (TC# 20190625007)