As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS ENROUTE FOR REDEPLOYMENT OF FIREFIGHTING CREWS. AIRCRAFT DEVELOPED A LARGE OIL LEAK AND MADE A PRECAUTIONARY LANDING. AIRCRAFT SUSTAINED NO DAMAGE AND OCCUPANTS WERE NOT INJURED. INVESTIGATION FOUND A MAIN TRANSMISSION OIL LINE HAD RUPTURED AT THE POINT WHERE THE STEEL BRAIDED LINE IS SWAGED TO THE COUPLING.