As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT SILL PLATE FROM FS 280-319, RBL 45 HAS THREE CORROSION AREAS. REMOVED DAMAGED SILL PLATE IAW SRMS 51-42-06-001-001-A01, 51-42-13-001-001-A01 AND 51-42-21-001-001-A01. LOCATED AND DRILLED THE NEW SILL PLATE IAW SRM 51-40-11-001-001-A01. INSTALLED FLOOR SILL AND CONNECTOR PLUGS IAW DWG SH670-32170. MAJOR REPAIR.