As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER RE-INSTALLING ENG, FOLLOWING 5 MODULES REPLACEMENT, GROUND TESTS C/O AND FOUND SATISFACTORY. TEST FLIGHT REQUIRED. AFTER START, IMPORTANT OIL LEAK AT THE AIRFRAME LT DRAIN. TAKE-OFF CANCELLED. INVESTIGATIONS SHOW LEAK COMES FROM FRONT ENG SUPPORT DRAIN. ENGINE PWR SHAFT MAGNETIC SEAL FAILURE SUSPECTED. ENG REMOVED. MAG SEAL REPLACED. ENGINE RE-INSTALLED. TESTS C/O ON THE GROUND, SATISFACTORY. FLIGHT TEST REQUIRED AND C/O, NO DEFECT. ACFT RELEASED.