As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMB OUT THE GEAR WAS SELECTED UP & DID NOT RESPOND. AIRCRAFT RETURNED TO BASE. UPON VISUAL INSPECTION THE LT UNDERSIDE WING & GEAR AREAS WERE COVERED IN HYD FLUID. THE THE RESERVOIR WAS FOUND EMPTY. LT HYD FILTER CANISTER THREADS WHERE FOUND SHEARED APART. THIS ALLOWED THE HYD FLUID TO BE PUMPED OUT.