As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT PANEL DISPLAYS CHECK DOOR AND SLIDE PRESSURE MESSAGES FOR DOORS 4R, 3L, AND 3R. ACCOMPLISHED TSM 23-73-00-810-287-A AND NOTED THAT THE 300RH8 CODING SWITCH WAS MISALIGNED AND ADJUSTED IT. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.