As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENG DRIVEN GENERATOR FAILED & INITIALLY THE AUXILIARY POWER UNIT WOULD NOT START. APU STARTED ON SHORT FINAL. EMER DECLARED FLIGHT DIVERTED & LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED RT CONSTANT SPEED DRIVE GENERATOR. SYS GND CHECKED NORMAL OPERATION CLOSED.