As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TURNING ON TAXI LIGHT, A STRONG ELECTRICAL BURNING ODOR WAS NOTICED, WITH THE CIRCUIT BREAKER HOT TO THE TOUCH. FURTHER INSPECTION REVEALED A BURN MARK ON THE SIDE OF TAXI LIGHT CIRCUIT BREAKER. AD 2008-13-17 HAD BEEN COMPLETED 691 FLIGHT HOURS PREVIOUSLY. INTERNAL FAILURE IS BELIEVED TO BE THE CAUSE. NO RECOMMENDATIONS AT THIS TIME.