As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE CREW REPORTED A NR 1 OIL PRESSURE LOW LIGHT ILLUMINATED. THE OIL PRESSURE GAUGE WAS ERRATIC. DECLARED AN EMERGENCY AND MADE AN UNEVENTFUL LANDING AT DESTINATION. R & R PROP SHAFT SEAL. ALL OPS AND LEAK CHECKED SATISFACTORY.