As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTURE AT APPROX 2500' MSL RT LOW OIL PRESSURE WARNING ILLUMINATED, FOLLOWED IMMEDIATELY BY A ODOR OF SMOKE. RT OIL PRESSURE GAUGE INDICATION WAS ZERO. EMERGENCY RETURN WAS CONDUCTED WITH RT ENGINE AT IDLE POWER. REMOVED THE RT ENGINE DUE TO LOSS OF OIL PRESSURE. INSTALLED A REPAIRED ENGINE. PERFORMED LEAK & OPS CHECKS WITH NO DEFECTS NOTED. WORK PERFORMED IAW AMM 71-00-01, 71-00-02 & 71-00-03, AND EMM 71-00-00.