As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB, SHORTLY AFTER TO UPON RAISING THE LANDING GEAR GOT HYD 3 FAILED? LEVEL 2, COMPLETED CHECKLIST & COMPLETED AIR TURN BACK TO SDF. HYD SYS SHOWS 0. REPAIRED BROKEN HYDRAULIC LINE PER MM 20-10-01. SERVICED NR 3 HYDRAULIC SYSTEM PER MM 12-13-02. MOTORED NR 3 ENGINE FOR PRESSURE CHECK PER 29-11-20. NO LEAKS NOTED.