What was found
16 SECONDS AFTER T/O OUT OF XHM, SOMETHING WAS INGESTED INFLIGHT INTO ENG NR 1, CREW HEARD A LOUD BANG. ENG NR 1 PARAMETERS STARTED TO DECLINE. VIB STARTED AND THRUST DROPPED, ENG WAS SHUT DOWN, AND FLIGHT DECLARED PAN PAN AND DIVERTED TO PVG. ENGINE 1 REMOVED AND REPLACED PER AMM 71-00-02. AGB CARBON SEAL LEAK TEST PASSED PER AMM 72-60-00. PER AMM 71-00-00, #1 ENG MOTORING & IDLE LEAK CHECK PASSED.