As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT GENERATOR OFF LIGHT ON TAKEOFF. LT AND RT UTILITY BUSSES TRIPPED, APU SHUTDOWN WITH APU FAULT. EMERGENCY DECLARED. TROUBLESHOT APU IAW FIM 49-11-00-815-855-001, FOUND OIL COOLING FAN DRIVE GEARS AND APU GEARBOX DRIVE GEARS DAMAGED IAW STEP 5 AND 13 OF FIM. R & R APU IAW AMM 49-11-01-4 AND TASK CARD NR 5000. LEAK AND OPS CHECKED GOOD IAW AMM 49-11-00-2.