What was found
DURING THE BALANCE PROCEDURE OF THE PT SHAFT, THE NR 4 BEARING WAS MAKING A CHATTERING NOISE. THIS BEARING WAS FROM THE PT6 OVERHAUL KIT PURCHASED FROM PWC.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING THE BALANCE PROCEDURE OF THE PT SHAFT, THE NR 4 BEARING WAS MAKING A CHATTERING NOISE. THIS BEARING WAS FROM THE PT6 OVERHAUL KIT PURCHASED FROM PWC.