As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) ELEVATOR TRIM CABLES IN THE HORIZONTAL STABILIZER WERE FOUND TO BE TWISTED. WHEN THE TWIST WAS TAKEN OUT IT WAS FOUND THAT THE ELEVATOR TRIM OPERATED IN THE REVERSE. FURTHER INVESTIGATION FOUND THAT THE FORWARD TRIM CABLES AT THE TURN BUCKLES WERE REVERSED. PERSONNEL/MAINTENANCE ERROR.