As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H WING LOWER SKIN CRACKED 16MM LONG AT FASTENER OTBD OF RIB 4A AND AFT OF SPAR 2 (HFEC VERIFIED). PERFORMED TEMPORARY REPAIR BY CUTOUT AND DOUBLER INSTALLATION ON L/H WING LOWER SKIN OTBD OF RIB 4A IN ACCORDANCE WITH, REF ETD2021-170-033505