What was found
(CAN) AFTER TAKING OFF, THE ACFT SUFFERED ENGINE PROBLEMS. THE PILOT DROPPED THE LOADED WATER AND LANDED IN A MARSH. THE CAUSE FOR THIS ACCIDENT WAS ATTRIBUTED TO DAMAGE ON A FLEXIBLE PY LINE. IAW RECORDS, A LARGE NUMBER OF MFG POWERED AIR TRACTORS INCORPORATED STC SE8652SW. COMPLIES WITH INSTALLATION OF A FLEXIBLE HOSE FROM THE PROPELLER PRIMARY GOVERNOR TO THE FCU.