What was found
DURING CLIMB FLIGHT LEVEL 220, AIRCRAFT SHOOK AND LOUD BANG NR 1 ENGINE EGT WENT TO 905 DEGREES CELSIUS. THRUST LEVER RETARDED AND ENGINE SHUTDOWN PER INFLIGHT FAILURE. ACCOMPLISHED CONDITION INSPECTION PER MM 5-51-39, PHASE ONE PARAGRAPHS A AND B NR DEFECTS NOTED. REMOVED ENGINE S/N 662818 AND INSTALLED ENGINE S/N 685870 IAW MM 71-00-02 AND 71-00-07 AND WIC 71-002, RUN UP AND LEAK CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)