As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT AFTER T/O PASS 16,000 NR 3 GEN FAIL LIGHT ILLUMINATED. ACCOMPLISHED RED TABS THAT REQUIRE NR 3 GEN CSD TO BE DISCONNECTED. STARTED APU & IT RAN NORMAL FOR 10 MINS THEN APU LOW OIL PRESSURE LIGHT ILLUMINATED & APU SHUT DOWN. DUMPED FUEL & RTN DUE TO WX EN ROUTE TO MEMPHIS.