As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMBER 2 VOR FLASHES BACK AND FORTH BETWEEN VOR AND ILS WHEN A VOR FREQUENCY IS SELECTED. DUPLICATED FAULT ON GROUND BY MOVING WIRE BUNDLE APPROXIMATELY 6 INCHES BEHIND NR 2 SYMBOL GENERATOR. REPLACED PIN 53 OF 3428-P65-2-1B TO CORRECT FAULT. OPERATIONAL CHECK GOOD USING 402AP TEST SET.