What was found
CREW REPORTS A LOUD BANG FROM LEFT ENGINE FOLLOWED BY VIBRATION, ENGINE WAS SHUT DOWN AND CREW REPORTED OIL AND HYD QTY WENT TO ZERO. DD CONFIRMED NORMAL LANDING AND A/C WAS NOT OVERWEIGHT. LOCAL MX REPORTS SMALL METAL BALLS IN TAILPIPE ALONG WITH OIL EVERYWHERE. FOUND #1 ENGINE AGB COMPLETELY DESTROYED AND COMPONENTS SCH AS REMOVED AND INSTALLED NEW SERVICABL ENGINE SN 717604 USING SIGNED OFFS FROM TASK CARD 63-7100-1-9800 AND REFERENCING AMM TASK 71-00-02-400-840-C1