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 EXFOLIATION CORROSION WAS FOUND ON LOWER SURFACE OF R-2 DOOR SILL (WEB) BETWEEN BS 953 AND BS 985, RBL 48, WL 208. MAINTENANCE REMOVED CORRODED R-2 DOOR SILL FROM BS 947 TO BS 986.5, RBL 48; FABRICATED A NEW REPLACEMENT WEB PER DWG 65-45855; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02.