As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
3954 - AFTER TAKEOFF RECEIVED ANTI SKID INBOARD CAUTION MESSAGE AND PROX SYS CHANNEL CAUTION MESSAGE. C/W QRH. ***AIRCRAFT REMOVED FROM SERVICE*** R+R THE PSEU IN REF TO THE CRJ200 AMM 32-61-04. ALL OPS CHECKS GOOD.ANTI SKID OPS CHECKS GOOD IN REF. TO THE CRJ200 AMM 32-44-00. REF. 319184/4 AND 319185/1 FOR MX ACTION. SEE 319184/4 FOR TROUBLESHOOTING. S/N REMOVED: 44. S/N INSTALLED D750.