As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BWI - FL 322 - AFTER TAKEOFF, THE NR 2 ENGINE OIL PRESSURE WENT FROM LOWER GREEN LINE TO MID YELLOW BAND. FLIGHT RETURNED TO FIELD AT BWI AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MX REPLACED THE NR 2 ENGINE OIL PRESSURE GAUGE AND TRANSMITTER AND CLEANED THE CANNON PLUG TO THE TRANSMITTER. RAN ENGINE. OPS CHECK GOOD. (M)