As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXTERIOR EMERGENCY LIGHT AFT OF R-1 DOOR WILL NOT TEST OR ILLUMINATE. REMOVED PART OF GALLEY AND GAINED ACCESS TO BACK OF THE EMERGENCY LIGHT. FOUND PLUGS D4474 AND D4476 DISCONNECTED. RECONNECTED BOTH PLUGS AND LIGHT OPER IS NORMAL. PLACED GALLEY BACK IN PLACE.