What was found
CABIN EMERG LIGHT: EMERGENCY LIGHTING AT SEAT #3 - UNDER SEAT AND READING LIGHT AND RIGHT WING INSPECTION LIGHT INOPERATIVE. GAINED ACCESS TO EMER. BAT AND REMOVED FATUITY BATTERY, INSTALLED A REPAIRED BATTERY, COMPLETED OPS CHECKS WITH NO DEFECTS NOTED, CHARGED BATTERIES FOR 1 HOUR, ALL WORK ACCOMPLISHED IAW CE680A AMM 33-50-06