As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) UNUSUAL NOISE HEARD ON SHUTDOWN. NR 1 T/R DRIVESHAFT HANGER SUPPORT 206-030-433-007 FOUND TO HAVE ELONGATED HOLES FOR HANGER ASSY ATTACH SCREWS 206-040-323-003. THESE SCREWS WERE WORN .333 THROUGH. NEW HANGER MOUNT, HANGER ASSY, BEARING COLLAR, DRIVESHAFT SEGMENT AND RELATED HARDWARE INSTALLED. A/C GROUND RUN - NO VIBRATION NOTED. NO ROUGHNESS NOTED IN THE REMOVED BEARING.