As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE TRANSMISSION SUPPORT FRAME (PN 350A21-1041-143) HAS CHAFING DAMAGE ON THE LOWER FLANGE FROM AN UNSECURED CABLE. THE DAMAGE IS UNDER THE TRANSMISSION DECK AT THE AFT RH CORNER OF THE TRANSMISSION CUTOUT. ** THIS AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION. **