As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO DEN DUE TO RIGHT ENGINE FLUCTUATING PARAMETERS. SUSPECTED MULTIPLE ENGINE SURGES. INSPECTED FOR FAULTS AND SURGE REPORTS WITH NONE FOUND. INSPECTED SVA'S WITH NO DEFECTS NOTED. REPLACED EEC AND PB SENSOR. CONFIRMED PB LINE CLEAR. (LP 9091040 - AIRCRAFT WAS GROUNDED)