As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING SERVICE CHECK TECH FOUND ENGINE OIL TO BE OVER SERVICED. ENGINE OIL ALSO HAD A REDDISH COLOR. UPON FURTHER INSPECTION HYDRAULIC OIL FOUND TO BE UNDER SERVICED. AIRCRAFT WAS GROUNDED UNTIL SOAP SAMPLE WAS RETURNED CONFIRMING HYDRAULIC OIL HAD BEEN PUMPED INTO ENGINE.