As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI - UNABLE TO SELECT ANTI COLLISION LIGHT RED. SWITCH SEEMS TO HAVE FAILED INTERNALLY. FLT DATA RECORDER CAUTION LIGHT ALSO DISPLAYED. REMOVED AND REPLACED LIGHT SWITCH PANEL IAW TASK 33-44-03-000-801 AND 33-44-03-400-801, OPS CHECK GOOD. RETURNED TO SERVICE.