What was found
EXTERIOR EMERGENCY LIGHT ABOVE THE RIGHT WING IS NOT ILLUMINATING PROPERLY. BRIGHTNESS LEVEL IS NOT NORMAL (IT IS EXTREMELY ANEMIC) AND DOES NOT REALLY ILLUMINATE ANYTHING ANY MORE EVEN WITH THE APU RUNNING. REMOVED OVERWING EMERGENCY LIGHT ASSEMBLY. WIRE HARNESS IS SHORT STRUNG TO DISCONNECT MOLEX CONNECTOR. REMOVED FUSELAGE TO WING ACCESS PANEL 164AR FOR ACCESS. DISCONNECTED LIGHT ASSEMBLY CONNECTOR. INSTALLED CUSTOMER SUPPLIED NEW LIGHT ASSEMBLY IAW AMM 33-50-20. NO DEFECT NOTED.