As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABORTED START; NO OIL PRESSURE OR TURBINE SPEED INDICATION. REMOVED ACCESSORY GEARBOX AND SENT TO MFG. THE ABOVE ENGINE EXPERIENCED PROBLEMS IN THE FIELD THAT RESULTED IN THE ACCESSORY GEARBOX ASSEMBLY AND THE OIL PUMP TO BE SENT TO MFG FOR REPAIRS.