What was found
WHILE PERFORMING FIRE FIGHTING FOR DNR, PILOT FILLED BUCKET AND STARTED CLIMB, ENGINE LOST POWER. PILOT DUMPED WATER WHICH BROUGHT ROTOR POWER-UP. PILOT WAS ABLE TO GET HELICOPTER TO SHORE. HELICOPTER AUTOROTATED AND STRUCK METAL TREE STAKE DAMAGING TAIL ROTOR, DRIVESHAFT, AND TAIL SECTION.