As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING THE 50 HOUR INSPECTION OF THE HELICOPTER, THE LOWER FAN SHAFT BEARING WAS FOUND TO BE EXTRUDING A BLACK RESIDUE. THE LOWER BEARING WOULD NORMALLY SHOW SOME LEAKAGE OF GREASE DURING THE FIRST FEW HUNDRED HOURS OF BREAK-IN. SUSPECT THE BEARING ASSEMBLY WAS NOT LUBRICATED DURING ASSY. LOWER BEARING REPLACED.