AD Number: AD/330/45 Subject: Airbus A330 Series Aeroplanes Wing Rib
6 Summary: A report was received from an operator of
significant cracking of the left hand and right hand wing rib 6 aft
web; found during a scheduled maintenance check. An inspection
performed on another aircraft of similar age identified similar
damage. Such cracking if not detected and corrected, could lead to
overloading of adjacent ribs and the surrounding wing structure and
affect the structural integrity of the wing.