As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR DID NOT COME UP ON CLIMB. PILOT FOUND COMPLETE FAILURE OF ALL HYDRAULIC SYSTEM. ON TROUBLESHOOTING, FOUND SOLENOID LANDING VALVE SCREEN STUCK ON VALVE SEAT CAUSING COMPLETE BYPASS OF THE HYDRAULIC FLUID. THIS VALVE WAS PLANNED TO BE REPLACED AT NEXT VISIT IAW SB 525-24-10.