As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH NR 1 GENERATOR FAILED WITH APU ON PLACARD. EMERGENCY DECLARED. LANDING UNEVENTFUL. THE AIRCRAFT WAS GROUNDED. MAINTENANCE REMOVED AND REPLACED THE NR 1 CONSTANT SPEED DRIVE IAW AMM 24-10-01 AND NR 1 GENERATOR IAW AMM 24-20-01.