What was found
(CAN) DURING A ROUTINE MAINTENANCE INSPECTION, DAMAGE WAS FOUND ON THE INBD SIDE OF THE RT EXHAUST SHROUD. THE DAMAGE IS IN THE FORM OF A HOLE WORN THROUGH THE SHROUD. IT APPEARS THAT THE JET PIPE INSULATING BLANKET WAS WEARING AGAINST THE INSIDE OF THE SHROUD CAUSING THE HOLE. THIS IS NOT THE FIRST OCCURRENCE OF THIS TYPE ON THIS FLEET. RD 8/4-78-0207 EXISTS AS A TEMPORARY REPAIR FOR A PREVIOUS ACFT. SHROUD, PN 87804028-103, AIPC 78-10-01, FIG 1-75. ACFT TSN 7867, CSN 6005.