As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FIRST GROUND RUN FOLLOWING TURBINE ASSEMBLY REPLACEMENT, OIL WAS FOUND LEAKING FROM THE GAS PRODUCER TURBINE PRESSURE OIL NOZZLE. THIS IS NOT SOMETHING WE HAD TOUCHED. UPON INSPECTION IT WAS FOUND THAT THE SEALING RING UNDER THE NOZZLE HAD BEEN CRACKED, LIKELY OVER-TIGHTENED BY STANDARD AERO. I REPLACED THE SEALING RING AND NO LEAKS WERE FOUND DURING THE SUBSEQUENT ENGINE RUN.