As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MOT - FLT 421 - THE LEFT GENERATOR FELL OFF LINE AND WOULD NOT RESET. AFTER LANDING, THE CREW WAS INSTRUCTED TO PERFORM A STARTER TEST. THE ENGINE WOULD NOT ROTATE WITH THE STARTER. THE PROPELLER SPUN FREE BY HAND. THE START/GEN WAS REPLACED AND OPERATION CHECK PERFORMED. THE AIRCRAFT WAS RELEASED. (M)