As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TOUCHDOWN SPARKS FELL FROM THE OVERHEAD PANEL, BOTH PILOTS SMELLED ELECTRICAL SMOKE. FOUND WIRE W036-01-20 SHORTED TO HOUSING OF RIGHT START SWITCH. REPAIRED IAW SWP 20-10-13 REPOSITIONED WIRE BUNDLE FOR PROPER CLEARANCE. WIRE SHORTED DUE TO IMPROPER CLEARANCE FROM RIGHT START VALVE SWITCH.