As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: SEAT 20C EMERGENCY LIGHT NOT WORKING. MAINTENANCE CHECKED THE WIRING, FOUND AN UNSEATED PIN IN ONE OF THE PLUGS, RESET PIN INTO CONNECTOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-00.