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-21 CHECK FOUND SUPPORT ANGLE CRACKED AT BS 178 WL 230 RBL 17.1. MAINTENANCE REMOVED CRACKED SUPPORT ANGLE AND FABRICATED SUPPORT ANGLE IAW BOEING DWG 65-17582. INSTALLED FABRICATED REPAIR PARTS AT BS 178 WL 230 RBL 17.1 IAW BOEING 737-300 51-40-02-0 FIG 12.