As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ABORTED TAKEOFF DUE TO A LOW OIL PRESSURE WARNING. INSPECTION FOUND THAT THE OIL FILLER CAP HAD COME OFF. FURTHER INSPECTION FOUND DEBRIS ON BOTH MAGNETIC CHIP DETECTORS BEFORE & AFTER A PENALTY RUN. THE ACFT IS NOW GROUNDED. MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE & SUPPLEMENT THE REPORT ONCE THE INFORMATION IS AVAILABLE.