As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISPLAY BLINKS ON AND OFF. PERFORMED PRELIMINARY INSPECTION. SWAPPED OUT DISPLAY. NO HELP. REPLACED BAD VOLUME POTENTIOMETER, CRACKED TRANSFER SWITCH AND PUSH BUTTON AND IC I901. FOUND BRIGHT DASHES TO APPEAR ACROSS MIDDLE OF USE FREQUENCY. REPLACED IC I505 AND I506. NO HELP.