As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEEP CORROSION ON LH FS 513 FRAME AFT FREE FLANGE JUST ABOVE FLOOR IN 1" AREA AT CORNER OF PART. MARKED WITH TAPE. BLOCKED OUT CORROSION ON FRAME, BLEND OUT IS .075" DEEP EVALUATED DAMAGE AND FOUND TO BE OUT OF ALLOWABLE LIMITS IAW CRJ200 SRM 53-00-00 FIG 101. REPAIRED AREA IAW STS1379 25-2020-014 DATED 1/11/20.