What was found
(CAN) IN CRUISE, AIRCRAFT ON FLOATS, IN CALM AIR, THE PILOT FELT A THUMP IN THE CONTROL STICK AND A SUBSEQUENT VIBRATION. FLIGHT CONTINUED TO AN UNEVENTFUL LANDING. THE UPPER LEFT FLYING WIRE WAS FOUND TO HAVE SEPARATED 6 INCHES FROM THE LOWER END. NO CORROSION EVIDENT. PART TC: 2,386.