What was found
DURING A PHASE INSPECTION WHILE C/W AD 75-23-08R5, EXHAUST INSPECTION ON RIGHT ENGINE, DISCOVERED WYE TO WASTEGATE ELBOW V-CLAMP (ONE-PIECE COUPLING) CRACKED ALMOST COMPLETELY AROUND CIRCUMFERENCE. THIS PART WAS CHANGED DURING A RAM CONVERSION 12/97. DURING PRESSURE CHECK OF EXHAUST SYSTEM, THE COUPLING DID NOT LEAK. SUBMITTER STATED DUE TO THE AREA IN QUESTION, IT IS ESSENTIAL THAT A THOROUGH INSPECTION OF EXHAUST SYSTEM BE COMPLETED.