As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PRIOR TO TOWING AN ACFT THE UPPER AND LOWER TORQUE ARMS WERE DISCONNECTED FROM EACH OTHER BY REMOVING THE LATCH PIN. IT WAS NOTICED THAT THE UPPER TORQUE ARM WAS CRACKED IN THE RT LATCH CHAIN INSTALLATION HOLE. UPPER TORQUE ARM WAS REPLACED PRIOR TO FURTHER FLIGHT.