As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: 3L DOOR SLIDE VERIFIED DISARMED ON SHUTDOWN. DURING DEPLANING SLIDE REARMED, FLIGHT ATTENDANT REPORTED UNABLE TO DISARM. MESSAGE FLASHED SEVERAL TIMES ON DOORS PAGE. PERFORMED INPECTION OF 3L DOOR AND ARMING HANDLE, ADJUSTED AS NECESSARY PER AMM 52-22-11.