As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERSION TO JFK WHILE AIRCRAFT WAS EN ROUTE TO PIK FROM CHS. AT LEVEL OFF AT FL 33.0 #3 ENGINE OIL QTY DROPPED TO 2 GALLONS. 15 MIN LATER DROPPED TO 0.5 GALLONS. ENGINE POWER REDUCED TO IDLE. REINSTALLED PREVIOUSLY DEFERRED GENERATOR AND REPLACED THE CSD.