As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING M CHECK, A .75 INCH CRACK WAS FOUND ON THE WINGS REAR SPAR WEB AT WS XRS144. THE CRACK EMANATED FROM A FASTENER HOLE COMMON TO THE END FASTENER OF THE AUXILIARY SPAR LOWER ANGLE. THE TRIM OUT WAS 1.25 WIDTH BY 2.5 LENGTH. INSTALLED .080 STEEL DOUBLER WEB REPAIR PER EA 99-169163.