As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R/H PRESSURE FLOOR SILL. ONE (1) SPOT OF CORRORION AT FS518.0 (C-CHECK RO 4/26/2023) REMOVED CORROSION FROM RH PRESSURE FLOOR SILL AT FS518.00 REF. CRJ 200 SRM 51-21-06. FOUND TO BE OUT OF LIMITS. PERFORMED REPAIR IAW ALL STEPS OF REO 601R-53-41-3143 REV-- DATED 2023-04-06. COMPLIED WITH TASK CARD 51-900-1003-SKY. SEE CONTINUATION CARD FOR DETAILS.