As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS ON FINAL APPROACH TO LAND WHEN GEAR WAS SELECTED DOWN. CREW REALIZED NO HYDRAULIC PRESSURE. DECLARED AN EMERGENCY. BLEW THE GEAR DOWN. LANDED WITHOUT INCIDENT. LOCAL MAINTENANCE DETERMINED WHEN GEAR WAS RETRACTED, HYDRAULIC FLUID LEAKED PAST SEALS IN LEFT MAIN GEAR ACTUATOR.