As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TWO NUTS ON THE CENTER WING BOX FITTING ON RH WING HAVE CORROSION. ( WS.220.00 ON WING SIDE) (C-CHECK) RO 1/29/2021 REPLACED NUTS WITH NEW ONES PN: MS17825-7, ON THE CENTER WING BOX ON RH WING IAW CRJ 200 AMM 57-21-35-400-802 STEPS 3. A. (4)-(6) AND (10)-(12). / CALIBRATED TOOLS: TUC4198 CAL DUE:31-MAR-2021, TUC4978 30-JUN-21