What was found
(CAN) DURING A 100-HR INSPECTION THE HYDRAULIC PUMP SPLINES AND HYD PUMP DRIVE SPLINES WERE INSPECTED IAW FORM AS350B-INS-100. BOTH THE HYDRAULIC PUMP AND HYDRAULIC PUMP SPLINES WERE FOUND TO BE WORN IN EXCESS OF THE .3333 ALLOWED. THE LUBRICATION WAS INSUFFICIENT IN THAT THE HYDRAULIC PUMP DRIVE CAVITY WAS DRY. THE SPLINES APPEARED TO BE DRY. THE LITTLE REMAINING GREASE WAS BROWN OR RUSTY IN COLOR. BOTH THE HYDRAULIC PUMP AND HYDRAULIC PUMP DRIVE HAD TO BE REPLACED.