As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CGV/MKE - FLT 1027 - AFTER FLIGHT CREW REACHED CRUISING ALTITUDE, ENGINES WERE SET TO CRUISE POWER. THE CREW NOTICED THE LT ENGINE OIL PRESSURE AT 65 PSI. THEY DECLARED AN EMERGENCY AND DIVERTED TO IND. MAINTENANCE INSPECTED THE LT ENGINE OIL FILTER, CHECKED THE OIL LEVEL, AND THE CHIP DETECTOR WITH NO DEFECTS NOTED. THEY CHANGED THE LT ENGINE OIL PRESSURE TRANSDUCER, OPS AND LEAK CHECKED GOOD. (X)