As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A PREFLIGHT, FLIGHT CREW NOTED AN OIL LEAK. MX INSP THE ACFT AND FOUND THE 2 SCREWS THAT SECURES THE OIL FITTING TO TOP OF TORQUE LIMITER, LOOSE. THIS IS A SECOND OCCURENCE WITH THE TORQUE LIMITER AND LOOSE SCREWS. THESE SCREWS ARE INSTALLED AND LOCKED AT THE O/H FACILITY.