What was found
MASTER CAUTION PUSH TO RESET SPARKED WHEN PUSHED AND WILL NOT TEST. REPLACED MASTER CAUTION SWITCH AND CAUTION PANEL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MASTER CAUTION PUSH TO RESET SPARKED WHEN PUSHED AND WILL NOT TEST. REPLACED MASTER CAUTION SWITCH AND CAUTION PANEL.