As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAIL ROTOR DRIVE SHAFT COVER (PN 222-035-165-179) WAS RUBBING TAIL ROTOR DRIVE SHAFT SUPPORT BEARING SUPPORT (PN 430-035-164-105). CAUSE OF RUBBING WAS FORWARD TAIL ROTOR DRIVE SHAFT COWLING CLIP (PN 222-025-165-164) WAS INSTALLED TO CLOSE TOGETHER AND DID NOT GIVE SUFFICIENT CLEARENCE FOR SUPPORT. ADDED SPACER PAD BETWEEN DRIVE SHAFT COVER AND CLIP.