As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FS 333 - FRAME CORRODED ON FWD AND AFT SIDE BTWN STGRS 24L/25R (C-CHECK RO 9/8/2021) REMOVED FRAME AT FS333 FROM STGR 21L TO STGR 25R AND INSTALLED NEW FRAME AT FS333 TO STGR 21L TO STGR 25R REF TO CRJ900 SRM 51-42-06-001-001-A01 AND DWG SH670-32420 REV. E. COMPLIED WIT TASK CARD 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS OF WORK PERFORMED. NO LEAKS NOTED.