As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN DOOR AUTOMATIC CLOSING MODE INOP. BOTH EXTERIOR & INTERIOR AUTO SWITCHES WILL NOT CLOSE DOOR. DOOR CLOSES NORMALLY USING THE MANUAL EXTERIOR SWITCH. REMOVED AND REPLACED RDE NR 1 IAW SMM 44-10-52. OPS CHECKED NO DEFECTS NOTED. MAIN CABIN DOOR AUTO CLOSING MODE OPS CHECKED GOOD.