What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHTS INOPERATIVE AT THE FOLLOWING SEAT ROWS 3AC AND 4AC. ALSO, SEAT ROWS 8, 11, 12, 13, 16, 17, 18, 19, 20, 24, 25,3 7 (ALL ABC SIDE). MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 17WL (AALA202607290336) AND BATTERY (AALA202607293232) PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM WAS ACCOMPLISHED WITH NO ISSUES NOTED.