As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOOR PANEL SUPPORT ANGLE BTW FS280 AND STGR 26L-26R AT MAIN AVIONICS COMPARTMENT. CORROSION ON FLOOR PANEL SUPPORT ANGLE BTW FS280 AND STGR 26L-26R WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01; WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-00-00-101-001-A01 AND WAS REPLACED PER CRJ900 SRM 51-42-06-001-001-A01; CRJ900 SRM 51-42-10-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01.