As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"CORROSION ON FLOOR SUPPORT FS 280 AT MAIN AVIONICS COMPARTMENT.(TCI 100-09). "SUMMARY: FLOOR SUPPORT FS 280 AT MAIN AVIONICS COMPARTMENT T WAS FOUND WITH MORE THAN 50% OF THE DAMAGES ALLOWED, THEREFORE ITS OUT OF LIMITS PER CRJ-900 SRM 53-00-00-101-001-A01. EQUIPMENT DIAL INDICATOR P/N: 543-783 SERIA NO. 18200766 DUE DATE: 19/MAR/2020.FLOOR SUPPORT WAS REPLACED FOR FOR A NEW ONES P/N CC670-34256-3 PER CRJ-900 SRM 51-42-06-001-001-A01 AND SRM 51-42-20-001-001-A01.