As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED STROB LIGHTS TO BE ON WITH SWITCH TURNED OFF. DURING TROUBLESHOOTING, FOUND THE SWITCH TO COMING APART AND HAD FAILED. THE SWITCH WAS INSTALLED 5 APR 2009 WITH 2730 TSN WITH AN ESTIMATED 10920 CYCLES. INSTALLED NEW STROB LIGHT SWITCH. OPS CHECK WAS GOOD. NO CAUSE OR RECOMMENDATIONS AT THIS TIME.