As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RAMP REPORTS AFT CARGO LIGHT SWITCH IS SMOKING. FOUND S429 AFT CARGO DOOR SWITCH ON FIRE. PULLED EXTERNAL POWER CORD. FIRE EXTINGUISHED. INSPECTED WIRING AND SURROUNDING AREA FOR DAMAGE. NONE NOTED PAST SWITCH. REPLACED S429 DOOR SWITCH ASSY AND TERMINALS AFT CARGO DOOR LIGHTS. OPERATED NORMAL. A/C OK FOR SERVICE.