As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH FLOOR SILL CORRODED WITH HOLES IN MULTIPLE PLACES FROM FS280.00 TO FS319.00 (C-CHECK RO 7/10/2021) REMOVED AND REPLACED RH FLOOR SILL FROM FS280-FS319 IAW CRJ 700 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01. COMPLETED MAJOR REPAIR TASK CARD 51-900-1002-SKY AND FORM M-337, NPO CHANGE IN WEIGHT.