What was found
EMERGENCY FLOOR PROXIMITY LIGHTS FROM ROW 28 TO 34 INOPERATIVE IAW FIM 33-50 TASK 801. R & R EMERGENCY EXIT LIGHT BATTERY PACK & POWER SUPPLIES M1670 AND M1671 REF AMM 33-51-06. CHRGED BATERRY PACK FOR 90 MINUTES. NO HELP. PUT OLD BATTERY PACKS AND POWER SUPPLIES BACK TO ORIGINAL POSITION. CHECK CB FOR MID EMERGENCY LIGHTS AT P-18 PANEL. CB HAS PROPER VOLTAGE INSTALLED NEW BATTERIES AND CHARGERS M1670 AND M1671 REF AMM 33-51-06. NO HELP. REQUIRES MORE TROUBLESHOOTIMG AFTER LETTING BATTERY PACKS CHARGE EMERGENCY LIGHTS CHECKED GOOD PER AMM33-51-00-710-801.