As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
1. A/C B-16408 :Captain report: In cruise found No.1 Engine Vibration 3.0 and EGT higher than other engine.2. On ground check found some metal chips in tail pipe. Request BSI.3.BSI found No.1 Engine HPC Stage 6 had several blades severe damage. 4.Engine Change and run-up test noraml.