As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT ADT3 - DURING FLIGHT, BOTH NR 1 AND NR 2 VOR'S WENT INOP. ACCOMPLISHED AIR TURN-BACK TO MHZ FOR REPAIR. FOUND SHORTED COAX CABLE AT BODY STA 245 AND TAIL. REPLACED COAX CABLE AND OPS CHECK SYSTEM, BOTH VOR'S OPERATED NORMAL PER MM CHAPTER 34. (X)