As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AFT CABIN DOOR SLIDE INDICATION DOOR PAGE DISAGREES WITH SLIDE ARM STATUS IN FLIGHT. ON GROUND ALL FOUR DOORS INDICATE ARMED 2L DOOR IN FLIGHT DISAGREES WITH ARMED STATUS. MAINTENANCE REPLACED LEFT AFT ESCAPE SLIDE PROXIMITY SWITCH 7WN1 PER AMM 52-73-11 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-71-00.