As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION DISCOVERED THE RT WING LOWER REAR ROOT SKIN WAS CRACKED AT THE SPAR II AND RIB 4A JUNCTION. THE CRACK WAS VERIFIED AT APPROXIMATELY 2.9 INCHES LONG IAW HFEC NDI. THE CRACK IS LOCATED APPROXIMATELY 0.482 INCH OUTBOARD OF THE RIB 4A LOWER SKIN DOUBLER. REPAIRED IAW ETD2018-170-048460-A.