As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED LANDING LIGHT CIRCUIT BREAKER KEPT TRIPPING. UPON INVESTIGATION, FOUND LANDING LIGHT CIRCUIT WAS DRAWING 22 AMPS. (LANDING LIGHT CIRCUIT BREAKER IS A 20-AMP CIRCUIT BREAKER). FURTHER INVESTIGATION REVEALED THE TAXI LIGHT HAD BEEN REPLACED WITH A 4313. 250W LAMP. THE PARTS BOOK CALLS FOR A 4509. 100W LAMP. INSTALLED CORRECT LAMP. CIRCUIT DRAWS 10 AMPS.