As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE 30 MINUTES AFTER DEPARTURE THE #2 ENGINE RPM INDICATOR WENT TO ZERO. HYDRUALIC FLOW LIGHT GENERATOR AND ALTERNATOR LIGHTS ILLUMINATED. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT RETURNED TO BASE. POST FLIGHT INSPECTION OF THE GEARBOX FOUND THE MAIN DRIVE SHAFT SHEARED, THE SUPERCHARGER SEIZED AND GENERATOR QUILL SHAFT SHEARED. ALL AFFECTED PARTS REPLACED. THE AIRCRAFT RETURNED TO SERVICE.