As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH FL 390, A BANG WAS HEARD ACCOMPANIED BY A SLIGHT VIBRATION AND ITT RISE INTO 900C RANGE. NR 1 ENGINE GUAGES INDICATED A FAILURE. SHUTDOWN ENGINE. POST FLIGHT FOUND N1 WOULD NOT ROTATE. REPLACED ENGINE IAW AMM 71-00-01 AND LMM 72-03-06. OPS & LEAK CHECKED SATISFACTORY.