As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME AT FS333 CORRODED BETWEEN STGR21L AND STGR23L. (C-CHECK) RO 2/1/2021 REMOVED DAMAGED FRAME AND INSTALLED NEW SERVICEABLE FRAME AT FS 333 IAW CRJ-200 SRM 51-42-06, 51-40-11 AND 51-42-21 AND COMPLIED WITH SKYWEST CARD 51-900-1003-SKY. 337 ATTACHED.PART FOR PART REPLACEMENT, NO WEIGHT CHANGE. REFERENCED DRAWING 601R32004 FOR FASTENER CALL OUT.