As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TRANSITION LIGHT CAME ON IN FLIGHT. EMERGENCY EXTENSION C/OUT. FOUND THAT ALL HYDRAULIC FLUID WAS LOST THRU THE LT LANDING GEAR ACTUATOR. O-RING AROUND THE ACTUATOR SHAFT WAS FOUND TO BE BROKEN. O-RING REPLACED AND RETRACTION TEST C/OUT WITHOUT ANY OTHER PROBLEMS. THIS ACFT IS EQUIPPED WITH STC SA 4013 WE.