What was found
DURING FLIGHT 3905, FROM LIT TO IAH, THE CREW NOTED THAT ENGINE NR 2 LOOP-B FAULTED IN FLIGHT. MAINTENANCE INSPECTED THE ENGINE AND RELEASED THE AIRCRAFT IAW MEL. MAINTENANCE CLEANED CANNON PLUG 408BC, PERFORMED ENGINE RUNS AND TESTED FIRE LOOP SYSTEM ON NR 2 ENGINE, NO DEFECTS NOTED AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.