As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION COMMON TO FLOOR PANEL SILL AT FS 449.85+3, LBL 43. ***AIRCRAFT REMOVED FROM SERVICE*** REMOVED CORROSION FROM PRESSURE FLOOR PANEL SILL AT FS449.85+3, LBL 43. HFEC INSPECTION PERFORMED WITH NO INDICATIONS NOTED. EVALUATED BLEND AREA, FOUND TO BE WITHIN LIMITS REF BOMBARDIER REO 601R-53-41-666 REV C DATED 2012-11-06