As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY CHECK - MAJOR REPAIR - "RH WING - WING LOWER SKIN HAS EVIDENCE OF CRACK AT SPAR 2 FWD OF MLG BAY AT FASTENERHEAD AS MARKED. PERFORMED PERMANENT REPAIR ON RH WING LOWER SKIN AT SPAR 2 FWD OF MLG BAY BY CUTOUT AND DOUBLER REPAIR IN ACCORDANCE WITH, REF ETD- 2021-170-014404."