As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT WAS GROUNDED. R CSD WARN LIGHT (LOW OIL PRESS) FIRST THEN R GEN INOP. DISCONNECTED R CSD PER PROCEDURE. APU WOULD NOT START AT 30,000 OR 28,000 OR 26,000 FEET. NO FAULT LIGHT. THE FLIGHT DECLARED AN EMERGENCY AND DIVERTED TO SDF WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED RIGHT ENGINE CSD AND GENERATOR PER AMM 24-10-01 AND 24-20-01. OPS AND LEAKS CKS GOOD OK FOR SERVICE. (SEE ALSO SDR AALA2017062890025)