What was found
DURING CRUISE FLIGHT, NOTICED ALL CABIN EMERGENCY LIGHTS TURNED ON AND A FEW MINUTES LATER, TURNED OFF EXCEPT RED LIGHT LEADING TO THE MAIN CABIN DOOR WHICH CONTINUE BLINKING FOR THE DURATION OF THE FLIGHT. REMOVED AND REPLACED ELB'S #1 AND #2 PN 7450LS-00 REMOVED S/N 006371, 005059 AND INSTALLED S/N 006424, 007271