What was found
OVERWING AND FLOOR LIGHT AT SEAT 5 WILL NOT ILLUMINATE WITH EMERGENCY POWER SELECTED ON. BATTERIES WERE SUFFICIENTLY CHARGED. LIGHTS ILLUMINATE WITH MAIN BATTERY POWER AND EMER POWER ON. REMOVED #3 EMERGENCY BATTERY AND INSTALLED A REPAIRED EMERGENCY BATTERY ON #3 POSITION. CHARGED BATTERY FOR TWO HOURS WITH GPU OPERATIONAL CHECK GOOD. NO DEFECTS NOTED AT THIS TIME. ALL WORK DONE IN ACCORDANCE WITH CE680A MAINTENANCE MANUAL CH. 33-50-06 (REV 11) AND 33-50-00 ( REV 22)