What was found
(CAN) DURING A HEAVY CHECK THE FUEL SHROUD ASSY AND FUEL LINES AT FRAME 559 WERE REMOVED TO FACILITATE A SHEET METAL REPAIR. IT WAS DISCOVERED THAT BOTH SHROUD AND FUEL LINES HAVE CHAFING BEYOND LIMITS. THIS SAME REPAIR IS BEING C/O ON A/C C-FZSI(126) AND SIMILAR DAMAGE WAS FOUND IN THE SAME LOCATION. THE FUEL LINES AND SHROUD ASSY. HAVE BEEN ORDERED FOR BOTH A/C AND WILL BE REPLACED BEFORE THE A/C LEAVES THE HEAVY CHECK. (TC NR 20071005001)