What was found
EXTERIOR R1 EMERGENCY EXIT LIGHT INOPERATIVE. REPLACED THE LAMPS R1 EMERGENCY EXTERIOR LIGHT IAW AMM 33-51-04-960-801. OPS CHECK FAILED. NO JOY. REPLACED ALL FOUR FUSES IN FWD GALLEY POWER SUPPLY AND STILL NO FIX IAW AMM 33-51-06-960-804. PERFORMED VOLTAGE CHECK AT EXTERIOR OF R1 LIGHT ASSEMBLY, NO VOLTAGE FOUND WITH EMERG LIGHT SWITCH IN ON IAW WDM 33-51-12-7. REPLACED POWER SUPPLY M2816 AND BATTERY IAW AMM 33-51-06-960-806. REPLACED THE BULB AND BULB RETAINER IAW AMM 33-51-04-960-801. OP CHECKS GOOD.