As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RT FLOOR SILL FS 280-FS 319.70. C-CHECK RO 12/14/2020. REMOVED CORROSION ON RT FLOOR SILL AT FS 280-FS 319.70 FOUND 100% MATERIAL LOSS CRJ700 SRM. INSTALLED NEW FLOOR SILL AT RT FS 280-319.70, REF DRW AND CRJ700 SRM. PERFORMED PRESSURE CHECK OF REPAIRED AREA, REF CRJ 700 AMM, CHECK GOOD. COMPLIED WITH TASK CARD.