As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F.S. 333 FRAME IS CORRODED FROM 23L-17L. C-CHECK RO 8/29/2020. REMOVED AND INSTALLED NEW FRAME SECTORS AT FS333.00 STRINGER 18R TO 23R IAW CRJ-200 SRM, BOMBARDIER DRAWING, AND SKYWEST CARD. COMPLETED M-337 AND M-131. WEIGHT AND BALANCE NOT AFFECTED PART FOR PART REPLACEMENT.