What was found
DURING ANNUAL INSPECTION, FOUND TURBO SUPPORT MOUNT UPPER FOOT CRACKED AND LOWER FOOT AREA WHICH IS CLOSER TO TURBO EXHAUST SCROLL VERY RUSTY. REPLACED WITH NEW MOUNT WHICH HAS IMPROVED PLATING PROCESS. AIRCRAFT HAS BEEN MODIFIED IAW STC SA5691MM AND HAS A TSIO520 SERIES INSTALLED. THE PROXIMITY OF THE TURBOCHARGER TO THE ENGINE MOUNT AND TURBO SUPPORT TUBES REQUIRED CONSTANT INSPECTIONS FOR HEAT DAMAGED COMPONENTS. AD 95-17-06 IS NOT AVAILABLE TO THE TURBO SUPPORT TUBE FOUND CRACKED. SUBMITTER RECOMMENDED EXAMINATION OF THE AREA AROUND THE TURBO EXHAUST WHENEVER THE COWLING IS REMOVED. (X)