As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR WOULD NOT EXTEND ELECTRICALLY. EXTENDED MANUALLY-3 GREEN. AIRCRAFT LANDED AND TAXIED TO FBO WITHOUT INCIDENT. PLACED A/C ON JACKS AND RETRACTED GEAR-RETRACTED EXTREMELY SLOW. ON 2ND RETRACT MOTOR STARTED SMOKING. INSTALLED OVERHAULED MOTOR AND GEAR CYCLED WITHOUT FURTHER DEFECTS. NO EXTERNAL DAMAGE TO MOTOR. APPEARS TO BE INTERNAL FAILURE.