What was found
CLE FLIGHT 3862 THE CREW REPORTED THE EMERGENCY LIGHTS WOULD NOT STAY ON WHEN ACTIVATED. MAINTENANCE REPLACED THE NR 1, 2, 3, 4 EMERGENCY LIGHT BATTERIES. OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RELEASED FOR SERVICE.NR 2 S/N 63071 TSN4496/CSN3372/, NR 3 S/N 49851 TSN1719/CSN1557, NR 4 S/N 63662 TSN4246/CSN325, TSO 703.