As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT MLG ACTUATOR CRACKED ALLOWING ALL HYDRAULIC FLUID TO LEAK OB ON RETRACTION AFTER TAKEOFF. COULD NOT EXTEND LANDING GEAR WHICH RESULTED IN A GEAR UP LANDING. NOTE, THIS ACTUATOR WAS PREVIOUSLY OVERHAULED ON 04/21/1983 AT 833 HOURS TIME IN SERVICE. THERE ARE NO SIGNS OF CORROSION OR DAMAGE TO ACTUATOR. IT SIMPLY SPLIT APPROX 3.5 INCHES LONG, LENGTH WISE OF THE PISTON BARREL.