As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, NR 1 ENGINE FAILED. RETURNED FOR LANDING. INSTALLED SERVICEABLE ENGINE ASSEMBLY IAW MM 71-00-00. PERFORMED ALL APPLICABLE ENGINE RUNS, OPS CHECKS GOOD WITH NO LEAKS NOTED. *S/D* ENGINE SHUTDOWN AS RESULT OF FAILURE OF BOLTS ON ENGINE STUBSHAFT.