What was found
BWI - TAXIING OUT FOR TAKEOFF, SMELLED SMOKE, RETURNED TO BASE. FOUND TAXI LIGHT SWITCH SHORTED TO WIRING HARNESS SUPPORT CLAMP. REMOVED AND REPLACED TAXI LIGHT SWITCH AND BURNED WIRES. RETURNED AIRCRAFT TO SERVICE. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BWI - TAXIING OUT FOR TAKEOFF, SMELLED SMOKE, RETURNED TO BASE. FOUND TAXI LIGHT SWITCH SHORTED TO WIRING HARNESS SUPPORT CLAMP. REMOVED AND REPLACED TAXI LIGHT SWITCH AND BURNED WIRES. RETURNED AIRCRAFT TO SERVICE. (X)