As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT ENGINE OIL PRESSURE REACHED 100 PSI PRIOR TO REACHING COMPUTED TAKE OFF POWER SETTING. REPLACED LT ENGINE OIL PRESSURE TRANSDUCER, ADJUSTED LT ENGINE OIL PRESSURE REGULATOR .5 TURN COUNTERCLOCKWISE OIL PRESSURE AT GROUND IDLE LOW 65 PSI AT TAKE OFF POWER 90 PSI PRESSURE WITHIN LIMITS. OPS AND LEAK CHECK OF TRANSDUCER GOOD, CHECK IAW MM CHAPTER 77-31-01, MM CHAPTER 79-20-01 AND 71-00-00.