What was found
(AUS) WING STRUCTURE CONTAINED LEVEL 3 CORROSION IN THE FOLLOWING AREAS: CORROSION FOUND ON FORWARD FACE OF FORWARD MAIN SPAR AT RIB STATION 129752. ACCESS PANEL Z536FB MOUNTING FLANGE HAD EVIDENCE OF SURFACE AND DEEPER CORROSION AT RIB 11974-12795. FORWARD FACE OF LT SPAR HAS CORROSION AT STATION 11460. CORROSION FOUND ON FORWARD FACE OF MAIN SPAR AT WING STATION 106505 LT OB AILERON TAB HINGE ARM EXFOLIATION CONTAINED.