As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION COMMON TO PRESSURE FLOOR ANGLE AT FUSELAGE STATION 513.00+11 LBL 40. ***AIRCRAFT REMOVED FROM SERVICE*** REMOVED CORROSION PRESSURE FLOOR ANGLE AT FS 513.00+11 LBL 40. EVALUATED BLEND AREA FOUND TO BE WITHIN ALLOWABLE LIMITS. HFEC INSPECTION PERFORMED WITH NO INDICATION NOTED. REF BOMBARDIER GREO 601R3-41-666 REF C.