What was found
(CAN) LT MAIN FUEL LINE ON TOP OF NR 1 ENGINE WAS REMOVED FOR ACCESS. UPON REMOVAL OF THE LINE THE FLANGE ATTACHING THE LINE TO THE FRONT SPAR WAS FOUND TO BE GOUGED. WHILE REMOVING THE FITTING FRON THE FRONT SPAR IT WAS FOUND THAT THE MAIN FUEL LINE IN THE WING TO THE FRONT SPAR WAS FOUND TO HAVE SIMILAR DAMAGE IT APPEARS THAT COUPLER IN BOTH LOCATIONS HAS CAUSED THE WEAR AND GOUGES ALL FITTINGS, COUPLERS AND LINE REPLACED.