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-05 CHECK CORROSION WAS FOUND ON LOWER SURFACE OF R-2 DOOR SILL AFT WEB AT RBL 44, BETWEEN BS 988 AND BS 993, WL 208. MAINTENANCE CUT OUT DAMAGED R-2 DOOR SILL AFT WEB AT RBL 44, FROM BS 988 TO BS 993; FABRICATED A NEW REPLACEMENT WEB PER DWG 65-45855; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02.