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-18 CHECK 3 EACH .25 INCH CRACKS WERE FOUND IN FUSELAGE FRAME AT BS 663.75, BETWEEN STR 2 RT & STR 3 LT. MAINTENANCE CUT OUT CRACKS IN FRAME AT BS 663.75, BETWEEN STR 2 RT & STR 3 LT; FABRICATED FILLERS AND A REPAIR ANGLE; INSTALLED REPAIR PARTS IAW B737-300 SRM 53-00-07.