As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IB FLIGHT, APPROXIMATELY 10 MINUTES BEFORE LANDING, TAIL CONE ANNUNCIATOR ILLUMINATED AND REMAINED ON. QRH PROCEDURE FOLLOWED. NO EMERGENCY DECLARED. UNEVENTFUL LANDING. FOUND DOOR PROXIMITY SWITCH STICKING. CLEANED AND LUBRICATED SWITCH.NO OTHER DEFECTS NOTED. OK FOR CONTINUED SERVICE.