As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH FLOORBOARD ANGLE FOR PANEL 221ALF IS CRACKED. - UPON FURTHER INVESTIGATION, FOUND GUSSET TO HAVE ELONGATED HOLES. LOCATED, DRILLED AND INSTALLED NEW GUSSET P/N CC670-33467-1 AND FLOOR-BOARD ANGLE P/N CC670-3319935 IAW CRJ 900 SRM 57-40-11-001-001-A01,51-42-06-001-001-A01 AND 51-42-21-001-001-A01.