As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT PRESSURE FLOOR SILL HAS (1) AREA OF CORROSION ON THE SILL SKIN AT FS 461.00. C-CHECK RO 11/11/2020. RT PRESSURE FLOOR SILL CORROSION WAS REMOVED AND TREATED, IAW BOMBARDIER REO, AS DOCUMENTED ON ATTACHED CONTINUATION CARD. NO WEIGHT AND BALANCE CHANGE, M-337 AND TASK CARD ATTACHED.