As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING APPROACH, LANDING GEAR FAILED TO EXTEND EITHER NORMALLY OR BY USING HAND PUMP. LANDING GEAR WAS EXTENDED BY USING BLOW DOWN BOTTLE, NOSE AND RIGHT REAR DID NOT EXTEND AND AIRCRAFT WAS SUBTANTIALLY DAMAGED DURING LANDING. INSPECTION REVEALED THE RIGHT MAIN LANDING GEAR DOWN INE IN NACELLE HAD FAILED AT THE SLEEVE/FLARE AREA.