As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 9860 - HNL - THE NR 1 ENGINE GAVE OFF A LOUD BOOM AND THE EGT ROSE TO 963 DEGREES, SHORTLY AFTER TAKEOFF FROM HNL. THE NR 1 ENGINE WAS SHUTDOWN AND THE AIRCRAFT WAS RETURNED TO HNL WHERE IT LANDED WITHOUT INCIDENT. THE NR 1 ENGINE WAS REMOVED AND REPLACED. INVESTIGATION CONCLUDED THAT THIS FAILURE WAS DUE TO THE PRIMARY FAILURE OF A STAGE 2 TURBINE VANE OUTER RETAINING BOLT WHICH WAS THE RESULT OF A MANUFACTURING DEFECT. (M)