As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*PASSENGER CABIN FS280.0 BETWEEN LBL9 AND RBL9 HAS CORROSION. (MARKED) (C-CHECK) RO 2/14/2020 REMOVED OUT OF LIMITS TOP STRIP AND INSTALLED NEW TOP STRIP PN CC670-34097-1 AT FS280 BETWEEN LBL9 AND RBL9 REF CRJ700 SRM, BOMBARDIER DWG. COMPLIED WITH TASK CARD.