As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, CO-PILOTS RADAR SCREEN HAD EVIDENCE OF SMOKE. TURNED OFF AND PULLED C/B. CHECKED WEATHER RADAR SYSTEM WIRING IAW W/D 34-10-0, FOUND NORMAL. GROUND OPERATIONAL CHECK IAW FDW M/M 34-41-0. NORMAL, NO TROUBLE FOUND. REF TO ITEM NR 1, FOUND EVIDENCE OF SMOKE AND BURN SMELL COMING OUT OF GLARESHIELD INST-WHITE BALLAST XFMR. REMOVED AND REPLACED INST-WHITE LT XFMR IAW M/M 33-12-0. TESTED NORMAL.