As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ELECTRICAL SMELL MID CABIN AFTER PARKING. UNABLE TO SMELL ANY UNUSUAL SMELLS IN CABIN. WHEN MID CABIN "NO SMOKING" ANNUNCIATOR PANEL WAS REMOVED, WAS ABLE TO SMELL SMALL RESIDUAL "BURNT" SMELL WHEN PANEL WAS HELD CLOSE TO NOSE. RELAMPED MID CABIN "NO SMOKING LIGHT. LIGHT TEST GOOD. NO FURTHER DEFECTS OR SMELLS NOTED.