As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER REMOVAL OF FLOOR PANEL SUPPORT ANGLE CORROSION OM FLOOR BEAM AT FUSELAGE STA 280 BTW LBL 12 AND RBL 12. FLOOR BEAMS AT FUSELAGE STA 280 LH SIDE AND RH SIDE WERE EVALUATED FOUND OUT OF LIMITS PER CRJ-900 SRM 53-21-43-101-001-A03 AND WERE REPLACED PER CRJ-900 SRM 51-42-10-001-001-A01, SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01