As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 STARTER GENERATOR LIGHT COME ON IN FLIGHT. FOLLOWED EMERGENCY CHECK LIST. WHEN COMPLETING THE CHECKLIST THE NR 2 OIL PRESSURE GAGE WENT TO ZERO. NOTED THAT NO WARNING LIGHT WAS ON FOR THE NR 2 OIL PRESSURE SYSTEM. MAINTAINED A WATCH ON THE TEMPERATURE AND RETURNED TO DEPARTURE.