What was found
ABORTED T/O. DURING T/O ROLL, THE ENGINE MASTER CAUTION ILLUMINATED AS THE OIL PRESSURE DROPPED IN THE YELLOW BAND. THE T/O WAS ABORTED AND THE ACFT RETURNED TO RAMP. POST EVENT INSP FOUND NO OIL ON THE SIGHT GLASS. TROUBLESHOOTING IS ONGOING. MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE AND SUPPLEMENT THE REPORT ONCE THE INFORMATION IS AVAILABLE.