As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXT REPAIR LOCATED AT STA 970-990, STR 18L FOUND NOT TO BE INSTALLED USING APPROVED DATA, REF SNRM# N00957 AND SRM 53-30-3 PG 13-14. FASTENER ROWS ARE INSUFFICIENT AT AFT LOWER CORNER. REMOVED EXISTING DOUBLER, FABRICATED NEW DOUBLER AND INSTALLED REF SRM 53-30-3 FIG 3. REPAIR IS CLASSIFIED AS MAJOR.