What was found
ENG 1 FAIL IN FLIGHT ON CLIMBOUT. UNABLE TO RELIGHT. DEBRIEFED CREW. ON CLIMBOUT PASSING THRU 12K THE LT ENGINE VERY LOUD BANG AND IMMEDIATE SHUT DOWN. NO FIRE INDICATION BUT CREW BLEW BOTTLE AS PRECAUTION. PASSENGERS SAID NO FLAME VISIBLE. NO INDICATION OF BIRD INGESTION AND CREW STATED NO BIRDS AT THAT ALTITUDE. PFR SHOWS ENG 1 COMP VANE MSG 1 MINUTE BEFORE SHUTDOWN. REMOVED AND REPLACED NR 1 ENGINE IAW AMM MR 7017 REV W OPS CKS NORMAL LEAK CKS GOOD.