As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE OIL PRESSURE LIGHT - SLOW LOSS OF OIL. FOUND EVIDENCE OF LEAKAGE AT THE ANGLE GEARBOX RIGHT SIDE FITTINGS, REPLACED WITH NEW SEAL PACKINGS PER MM 70-10-07 PERFORMED ENGINE WINDMILLING INSPECTION PER AMM 72-00-00. NO DEFECTS NOTED. SEAL REPLACED AT CHIP DETECTOR FITTING BASE REQUIRES ENGINE RUN & LEAK CHECK. INSTALLED BOLT THAT WAS MISSING ON THE FITTINGS PER AMM 70-50-00 LEAK CHECKED GOOD AMM 71-00-00.