As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSTALLED LAMPS AS REPLACEMENTS IN ANTI-SKID, PITOT HEAT, AND LT AIR IGNITION ANNUNCIATORS. WHEN POWER WAS TURNED ON TO TEST LAMPS, LAMPS BECAME VERY BRIGHT AND THEN FAILED. SUSPECT LAMPS WERE MISLABELED AT VENDOR. CORRECT LAMPS AND F/T OK.