As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* CORROSION ON RH FLOOR SILL AROUND ALL SCREW HOLES AND AFT END FS661.00 TO FS693.00 (MARKED WITH ORANGE STREAMER) (C-CHECK RO 5/22/2021) REMOVED OLD DAMAGED FLOOR SILL AT FS 661-693 AND INSTALLED A NEW SILL IAWDWG SH670-32170 REV V AND CRJ-700 SRM 51-42-22-001-001-A01 / COMPLIED WITH TASK CARD 51-900-1002-SKY+