As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT GENERATOR DROPPED OFF LINE ACCOMPANIED BY AC CROSSTIE LOCKOUT AFTER TAKEOFF. FLIGHT RETURNED TO GCM AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND RIGHT GENERATOR SHAFT SHEARED INTERNALLY. REPLACED THE GENERATOR. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.