As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POSITION LIGHT AND STROBE LIGHT C/B POPS WHEN SWITCH TURNED\ON. REPLACED SW S1-430, NO HELP. DISCONNECTED WING STROBES AND POSITION LIGHTS, NO HELP. C/B''S STILL POPPED. FOUND WHEN LT OUTBOARD LANDING LIGHT CONTROL C/B RESET ALL LIGHTS ILLUM. FOUND SHORTED WIRES AT APPROX STA XFS 70 LT WING L/E. REPLACED WIRE CLAMP AND WIRE. LIGHTS CHECK NORMAL.