As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PROPELLER OIL PRESS DECREASED BELOW 25 PSI DURING FLIGHT. INSPECTED LT PROPELLER PRESS INDICATING SYS. FOUND LT AC GEN LEAKING OIL THROUGH BEARING SEAL. R & R LT AC GEN & SHAFT O RING IAW MM. OPERATIONAL & LEAK CHECKED ALL SATISFACTORY.