As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVER CAUSES MARKER BEACON CIRCUIT BREAKER TO OPEN. REMOVED CORROSION FROM CIRCUIT BOARDS. REPAIRED BURNT FOIL ON POWER SUPPLY BOARD. FOUND UNIT DRAWING EXCESSIVE CURRENT. REPLACED BAD FLEX CABLE AND BAD C209 CAPACITOR. REPAIRED PROBLEM. ADJUSTED HIGH AND LOW SENSE. BENCH CHECK GOOD.