As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-19 CHECK 2 INCH CRACK WAS FOUND AT FASTENER HOLE AND A 1 INCH CRACK WAS FOUND IN INBOARD FLANGE RADIUS OF GUSSET BRACKET AT FR 335, BETWEEN STR 17 LT AND STR 18 LT. MAINTENANCE REMOVED DAMAGED GUSSET BRACKET AT FR 335, BETWEEN STR 17 LT AND STR 18 LT; FABRICATED A NEW REPLACEMENT BRACKET PER DWG 65-29818; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02.