As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT CABIN PRESSURE FLOOR SILL HAS (4) AREAS OF CORROSION ON THE SILL SKIN BETWEEN FS 484.00 AND FS 513.00. C-CHECK RO 11/11/2020. REPAIRED RT CABIN PRESSURE FLOOR SILL (4) AREAS OF CORROSION ON THE SILL SKIN BETWEEN FS 484.00 AND FS 513.00. REMOVED CORROSION BY BLENDING, IAW BOMBARDIER REO. REFERENCE CONTINUATION FOR WORK PERFORMED. COMPLETED TASK CARD AND ATTACHED COMPLETED SKYWEST FORM NR 337. NO WEIGHT CHANGE.