As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - CREW REPORTED NUMBEROUS MECHANICAL ISSUES - LOST RIGHT ENGINE PRESSURE RATIO, RIGHT GENERATOR DROPPED OFF LINE, MUTLIPLE CIRCUIT BREAKERS TRIPPED. FLIGHT RETURNED DEN LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RIGHT ENGINE DRIVEN GENERATOR AND CONSTANT SPEED DRIVE (MPN 696233B). SYSTEM GROUND CHECK NORMAL OPERATION.