What was found
8 EACH HOLES THROUGH THE YAW PLATE/WING ATTACH FITTING WERE NOT DRILLED PERPENDICULAR TO THE CONTOUR OF THE STRUCTURE CREATING A NONSHEAR CONDITION FOR THE FASTENER INSTALLATION. THESE HOLES WERE REQUIRED TO BE OVERSIZED BEYOND SRM LIMITATIONS TO CREATE A SHEAR CONDITION WITH A NEW YAW PLATE. INFORMATION PROVIDED TO TEXTRON ENGINEERING: 8 EACH OVERSIZE HOLES IN UPPER AFT SPAR CAP AND SKIN UNDERNEATH AFT YAW PLATE MEASURING .262, .283, .296, .312, .286, .278, .278, .281 SHOULD BE .246.