As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*RH FLOOR SILL BETWEEN FS280 AND FS319 HAS AREAS OF CORROSION. (C-CHECK RO 11/04/2021) REPLACED RH FLOOR SILL FS280 - FS319 REF CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-10-001-001-A01 AND DWG SH690-32170 REV AD. COMPLIED WITH TASK CARD 51-900-1002-SKY. LEAK CHECK GOOD