As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR WOULD NOT COME DOWN. PILOT HAD TO USE THE EMERGENCY GEAR EXTENSION HAND PUMP IN ORDER TO EXTEND THE GEAR TO THE DOWN & LOCKED POSITION. DETERMINED THAT THE LT HYD FILTER BOWL HAD DEVELOPED A CRACK & WAS LEAKING HYD FLUID. AFFECTED BOWL WAS REPLACED & OPERATIONS CHECKED GOOD.