As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF OF FLIGHT, THE LT ENGINE`S OIL PRESSURE GAUGE PEGGED OUT AT MAX PSI (ABOUT 200 PSI). THE CREW MADE AN AIR-TURN-BACK. MX INSPECTED THE AC AND REPLACED THE LT OIL PRESSURE TRANSDUCER. MX OPS CHECK THE SYSTEM FOUND NO FURTHER DISCREPANCIES AND RETURN THE AC TO SERVICE. (K)