What was found
THE STARTER/GENERATOR DUCT CRACKS ON THE SIDES BY THE FLANGE, AND ON THE FLANGE. THERE IS A LARGE AMOUNT OF VIBRATION, AND THE DUCT IS CONNECTED TO A RUBBER HOSE THAT VIBRATES, A RIGID CONNECTION TO THE STARTER/GENERATOR. SUBMITTER STATED THIS IS A REPEATED REPAIR. A FLEXIBLE GASKET MAY HELP.