As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DUKES LANDING GEAR ACTUATOR RUBBER DRIVE COUPLING CONNECTS TRANSMISSION TO ACTUATOR. COUPLING SPLIT IT IN TWO PLACES DISCONNECTING TRANSMISSION TO ACTUATOR; THUS, PREVENTING ELECTRICAL OR MECHANICAL GEAR EXTENSION, A GEAR UP LANDING FOLLOWED.