What was found
CAM FOLLOWER IS BROKEN. BEARINGS BECOME CORRODED AND THE OUTER RACE SEPARATES FROM THE INNER RACE. DAMAGE WAS FOUND ON THE LEADING EDGE OF ONE TAIL ROTOR BLADE ON THIS AIRCRAFT, THE PREVIOUS DAY. IT IS SUSPECTED THAT THE BEARING OUTER RACE BECAME DISCONNECTED AND STRUCK THE TAIL ROTOR BLADE. TAIL ROTOR BLADE WAS REMOVED FROM SERVICE DUE TO DAMAGE. REPLACED LOWER CAM FOLLOWER ON RT PASSENGER DOOR, AND UPPER CAM FOLLOWER ON L/H PASSENGER DOOR.