As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT LOST NORMAL HYDRAULIC SYSTEM PRESSURE. AUXILIARY PUMP AND LANDING GEAR BLOW DOWN BOTTLE WERE USED FOR LANDING. FOUND LEFT MAIN LANDING GEAR ACTUATOR DOWNLOCK SWITCH HOUSING ALLOWING FLUID TO BYPASS PLUNGER SEALS, TRAVEL AROUND AND THROUGH DOWNLOCK SWITCH, AND LEAK FROM SWITCH HARNESS BEFORE SPRAYING INTO WHEELWELL.