As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND NR 4 DISC PACK SPREAD JUST BEYOND LIMITS DURING 25-HOUR INSPECTION. FOUND NR 4 DISC PACK SPREAD BEYOND LIMITS. REMOVED NR 3 TAIL ROTOR DRIVESHAFT TO BLOWER SPLINE ADAPTER TO ENSURE IT STILL CONTAINED PROPER AMOUNT OF LUBRICANT. IT DID, BUT FOUND THE SPLINE ADAPTER P/N 406-040-316-101 HAD A STEP WORN IN IT. REPLACED THE SPLINE ADAPTER.