What was found
DURING COMPLIANCE OF A 13,000 CYCLE INSPECTION CRACKS WERE FOUND ON BOTH THE LEFT AND RIGHT SIDE OF THE AIRCRAFT AT FUSELAGE BULKHEAD 176.5. SMALL CRACKS WERE FOUND AT THE POINT WHERE THE BULKHEAD AND FLOOR MEET. A CRACK WAS FOUND AT THE LEFT 176.5 BULKHEAD FROM THE CUTOUT FOR THE NR 10 STRINGER TOWARDS A PEAR SHAPED LIGHTENING HOLE APPROXIMATELY 1 INCH IN LENGTH. RIVETS HEADS WERE FOUND MISSING ON THE ANGLE BRACKET WHICH ATTACHES THE BULKHEAD TO THE STRINGER AT THE FLOOR LEVEL.