As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R/H CABIN FLOOR SILL UPPER SURFACE CORRODED CORRODED IN MULTIPLE AREAS FROM FS 409+128 TO FS 559.00. (C-CHECK) RO 5/16/2020 PERFORMED A MAJOR REPAIR TO THE R/H CABIN FLOOR SILL FROM F.S. 409+128 TO F.S. 559.00 IAW BOMBARDIER REO. COMPLETED STRUCTURAL REPAIR RII TASK CARD. FORM M-337 IS ATTACHED.