As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING INSPECTION ON 57-590-600 AND 57-690-6000 FOUND THAT L/H AND R/H HINGE BOX BOLTS ON W.S. 178, 220, 264 WERE ALL CORRODED AND NEED TO BE REPLACED. (C-CHECK) RO 2/1/2021 REMOVED AND REPLACED HARDWARE ON L/H AND R/H W.S 178-.00, 220.00, AND 264.00 IAW CRJ 200 AMM 57-21-34-000-801/802/803 AND 57-21-35-400-801/802/803