As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT CREW REPORTED DOOR OPEN CAS, LINXUS SHOWS CABIN DOOR OPEN FAULT ID 2230 AND CHECK DOOR FAULT ID 2265. DOWNLOADED AND REVIEWED ARES DATA TO CONFIRM THE DOOR IN-FRAME AFT PROX SWITCH / SC002 WAS INDICATING DOOR OPEN IN FLT. THE WIRING TO THE PCB HAS CONTINUITY AND THE RIGGING OF THE DOOR WAS FOUND TO BE GOOD. REMOVED DOOR IN-FRAME AFT PROX SWITCH SC002 AND INSTALLED NEW PROX SWITCH S2800-1257 IAW AMM 52-70-25 POST MX / CHECKS GOOD NO DEFECTS NOTED.