What was found
LOWER LEVEL EMER LIGHT IN LAV (BELOW THE SEAT) IS UNSERVICABLE. ALL OTHER LIGHTS WORK NORMALLY CORRECTIVE ACTION: GAINED ACCESS TO AIRCARFT AND TURNED ON EMERGENCY LIGHT. VERFIFIED "EXIT" LIGH IN LAV UNDER SAET WAS NOT ILLUMINATIONG. SHUT DOWN POWER AND REMOVED LAV PANEL. FOUND EXIT LIGHT CONNECTOR DISCONNECTED. RECONNECTED "EXIT" LIGHT CONNECTOR AS REQUIRED AND RE-INSTALLED PANEL. APPLIED EMERGENCY POWER AND VERIFIED ALL LIGHTS OPS CHECK GOOD. NO DEFECTS NOTED. REF CE-680A AMM 33-50-00.