As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR FAILED TO EXTEND IN FLIGHT. PILOT PERFORMED SUCCESSFUL EMERGENCY EXTENSION OF LANDING GEAR WITH UNEVENTFUL LANDING. TROUBLESHOT LANDING GEAR SYSTEM AND FOUND HYDRAULIC PUMP NOT PRODUCING SUFFICIENT PRESSURE TO EXTEND LANDING GEAR.