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-16 CHECK EXFOLIATION CORROSION WAS FOUND ON AFT CARGO COMPARTMENT DOOR SILL AFT ATTACH ANGLE AT BS 846 BETWEEN RBL 22 AND RBL 28. MAINTENANCE REMOVED CORRODED AFT CARGO DOOR SILL AFT ATTACH ANGLE AT BS 846 FROM RBL 22 TO RBL 28; FABRICATED A NEW REPLACEMENT ANGLE PER DWG 69-43233; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02.