As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON INTERCOSTAL F.S. 310 STR 16L-15L AFT INBD SIDE OF FLANGE ( 3RD INTERCOSTAL FROM FLOOR ) JUST FWD OF PX DOOR (C-CHECK RO 4/2/2021) REPAIRED CORROSION FOUND ON INTERCOSTAL F.S. 310 STR 16L-15L AFT INBD SIDE OF FLANGE ( 3RD INTERCOSTAL FROM FLOOR ) JUST FWD OF PX DOOR IAW CRJ 200 SRM 51-21-06. REF CONTINUATION CARD FOR WORK PERFORMED.