What was found
BEACON LIGHT INOP, CIRCUIT BREAKER POPPED INFLIGHT, PRIOR TO C/B POPPING CREW NOTICED A SLIGHT ELECTRICAL BURNING ODOR IN THE COCKPIT. FOUND THE UPPER BEACON OVERHEATED, CAUSING A SHORT IN THE PARALLEL CIRCUIT, THE WIRING CHECKED OUT GOOD. REPAIRED THE PIN IN THE CONNECTOR AND REPLACED THE UPPER BEACON, SYSTEM OPS CHECKED GOOD IAW CESSNA MM CHAPTER 33-40-32.