What was found
DURING CRUISE, NR 4 ENGINE FLAMEDOUT. THE CREW ATTEMPTED RESTART, ENGINE WOULD NOT START. THEY LANDED WITHOUT FURTHER INCIDENT. MX ACCOMPLISHED FAULT TREE 51, CHANGED NR 4 FUEL FILTER, RAN ENGINE AND FOUND FLIGHT IDLE LOW, ADJUSTED FLIGHT IDLE. OPS CHECK GOOD IAW MM 77-11-10, ERH 72.06.2, ERH 70.01.1 AND ERH 70.01.14. ACFT WAS RETURNED TO SERVICE.