As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SUSPECT HYDRAULIC FLUID OVERHEATED AND MELTED RESERVOIR SIGHT TUBE. HYDRAULIC RESERVOIR THEN LEAKED ALL FLUID OVERBOARD, THROUGH OPEN SIGHT TUBE PORTS. PILOT DEACTIVATED NORMAL HYDRAULIC SYSTEM, AND USED EMERGENCY BLOW DOWN SYSTEM TO LOCK LANDING GEAR DOWN AND LANDED - NORMALLY.