As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT MLG WOULD NOT EXTEND. THE AIRCRAFT MADE AN EMERGENCY LANDING WITH GEAR UP PROCEDURES. RIGHT MAIN STRUT SLIGHTLY COMPRESSED WHEN THE LANDING GEAR WAS RETRACTED. THIS, IN TURN, CAUSED THE AFT GEAR DOOR STOPS (MOUNTED ON THE GEAR SCISSORS) TO SLIP OFF GEAR DOOR STOP BLOCKS BINDING THE GEAR WHEN SELECTED DOWN.