What was found
(AUS) DURING INSPECTION OF LH AND RH WINGS MISSING RIVET HEADS WERE FOUND ON THE WING UPPER SKIN THROUGH THE MAIN SPAR INBOARD TOP CAP - FOLLOWING REMOVAL AND DISASSEMBLY OF THE WINGS THE SEVERE EXFOLIATION CORROSION WAS FOUND ON THE FOLLOWING ANGLES ANDPLATES:- 1. LH WING PNO 0721400-3, PNO 0523315, PNO 071402-1 AND PNO 071402-3 2. RH WING PNO 0721400-4, PNO 0523315-1, PNO 071402-23. RH WING LOWER TENSION ANGLE PNO 0721402-4 AT THE WING STRUTATTACHMENT POINT SHOWED SIGNS OF STRESS CORROSION BELOW THE STRUT BOLT HOLE FAILURE OF WHICH WOULD BE CATASTROPHIC AIRCRAFT IS APPROXIMATELY 34 YEARS OLD