What was found
EMERGENCY LIGHTS OPS TEST WITH THE TEST SWITCH PROCEDURE. CABIN EMERGENCY LIGHTS, ESCAPE PATH LIGHTS, SEAT ROWS 7ABC - 21ABC, LIGHTS DID NOT ILLUMINATE DURING TEST. LOCATED AND GAINED ACCESS TO EMERGENCY LIGHT BATTERY M10919, R & R EMERGENCY LIGHT BATTERY AND CHARGER IAW AMM 33-51-07. NO HELP. CHECKED WIRING FROM SEAT 7 TO CONNECTOR D6910 PIN 9, CHECKED GROUND IAW WDM 33-51-13-901. WIRING CHECKED GOOD. INSPECTED SEAT WIRING FROM ROW 7 TO ROW 21 AND FOUND AT ROW 12 CONNECTOR BROKEN AND THE PIN TOUCHING THE SEAT FRAME CAUSING A SHORT TO GROUND. THE PINS ARE SERVICEABLE. REPLACED CONNECTOR AND LIGHT ASSEMBLY AT ROW 12 IN REF TO SWPM 20-64-17. REPLACED POWER SUPPLY FUSE REF AMM 33-51-07. OPS CHECK GOOD NO DEFECTS NOTED.