What was found
SPECIAL INSPECTION OF EXHAUST SYSTEMS IAW AD 75-23-08-R5 AND CESSNA PILOTS ASSOCIATION LETTER 4-28-97 (URGENT LETTER TO OWNERS OF TURBOCHARGED TWIN CESSNAS). THE HEADER HAD A HOLE BLOWN IN V-BAND CLAMP AREA. THE BAFFLE IN HEADER WAS WARPED FROM HEAT AND CRACKED APPROXIMATELY 1 INCH AT THE BOTTOM. THE TURBO WAS ALSO UNSERVICEABLE DUE TO MATING FLANGE BETWEEN EXHAUST AND AIR SIDE BEING BLOWN. SUBMITTER STATED SIMPLIFY OR MAKE CLEAR THE REQUIREMENTS.