What was found
AFTER TAKE OFF RECEIVED RT ENGINE OIL PRESSURE MASTER WARNING MESSAGE. COMPLIED WITH QRH AND RETURNED TO DEPARTURE. EMERGENCY DECLARED. ACFT OK FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKE OFF RECEIVED RT ENGINE OIL PRESSURE MASTER WARNING MESSAGE. COMPLIED WITH QRH AND RETURNED TO DEPARTURE. EMERGENCY DECLARED. ACFT OK FOR SERVICE.