As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION FOUND A .5 INCH CRACK AT FASTENER HOLE IN LT WING SECOND UPPER STRINGER FROM REAR SPAR ABOVE RIB AT WS 629. THE FASTENERS AND CLAMPS WERE REMOVED IAW SRM 51-30-2. THE CRACK WAS STOP DRILLED, REPAIR PARTS WERE FABRICATED AND INSTALLED IAW EA 5762-01050 AND SRM 51-10-6.