As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/AWHILE TAKING THE RUNWAY FOR DEPARTURE WE HAD A BURNING SMELL IN COCPIT. TURNED OF LIGHT & SMELL DISAPATED. BLOCK TURN BACK. RUNWAY TAXI LIGHTS.R&R R RUNWAY TURNOFF LIGHT TRANSFORMER (T138) PER MM33-42-05-004-001 AS A PRECAUTION. R&R LIGHTING CONTROL PANEL (M10056) OPS CHECKS NORMAL PER MM 33-42-00-501. A/C OK FOR CONTINUED SERVICE.