What was found
DURING AIRCRAFT MAINTENANCE, WAS ACCOMPLISHING HFEC INSPECTIONS AND FOUND CRACK DAMAGE ON THE STRINGERS S-2R & S-8R AT STA 676. THE STRINGERS ARE REPAIRABLE PER BOEING SRM 53-00-03, REPAIR 1; HOWEVER, THE DAMAGE LOCATION IS AFFECTED BY THE IAI FRIEGHTER CONVERSION STC IN THAT THERE ARE STRAPS INSTALLED ON S-2R THAT ARE PART OF THE IAI CONVERSION. ONE 1/2" CRACK ON S2R ON THE THIRD FASTNER FROM STA 676 AT THE FWD INBOARD ANGLE.TWO CRACKS ON S8R ON THE SECOND FASTNER FROM STA 676. ONE 1/3" CRACK AT THE FWD OTB ANGLE AND ONE 3/4" CRACK AT THE OTB AFT ANGLE. REPAIR - SEC 43, STA 654 - 698, STR S-2R & S-8R.