As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER INSTALLATION OF TURBINE ASSEMBLY ON ENGINE, GROUND RUNS WERE BEING DONE. OIL WAS NOTICED LEAKING EXCESSIVELY FROM THE NR 6 & 7 OIL PRESSURE TEE FITTING. UPON DISASSEMBLY OF FITTING, IT WAS NOTICED THAT THE CRUSH WASHER PN MS9372019 WAS MISSING BETWEEN OIL STRUT AND TURBINE CASE. TURBINE TSO WAS 0.0 HOURS.