What was found
UPON REMOVAL OF AC TOP SKIN, FOUND 4 RIVETS ON STRINGER NR 4R JUST FWD OF THE EMERGENCY EXIT HATCH TO HAVE NO EDGE DISTANCE. ABOVE THIS AREA AT FS165.25 AND STRINGER NR 2R THERE WAS FOUND ONE FASTENER HOLE WITH SHORT EDGE DISTANCE. FWD OF THIS AREA AT FS 148.90 AND STRINGER NR 3R, FOUND A DOUBLE DRILLED HOLE WITH NO EDGE DISTANCE BETWEEN THEM. PROB CAUSE: DEFECT IN MANUFACTURING. RESOLUTION: MFG ISSUED ENGINEERING REPAIR FOR THE AFFECTED DISCREPANCY. DOCUMENT NR FR-KA-01494, REV 2 DATED 01-13-05.