As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRPLANE HAD A STRONG ACRID SMOKE SMELL WHEN RUNWAY TURNOFF LIGHT WERE TURNED ON. FOUND RIGHT RUNWAY TURNOFF SWITCH BAD. WHEN SWITCH ACTIVATED SMOKE EMITS FROM RT RUNWAY TURNOFF SWITCH. REMOVED AND REPLACED OVERHEAD PANEL P5 PER SMP, OPS CHECK LIGHT FUNTION PER AMM 33-42-03-2-0 RT AND LT TURN OFF LIGHT OPS CHECKS NORMAL, ALL P5 PANEL LIGHT FUNCTIONS OPS CHECKS NORMAL PER AMM 33-13-03. A/C OK TO CONTINUE.