What was found
SMOKE APPEARED AT COMPARATOR RESET BUTTON, LEFT AC ISOLATED AND OPERATIONS WERE NORMAL. REPLACED COMPARATOR TEST LIGHT PANEL IAW DC-9 M.M. 33-10.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SMOKE APPEARED AT COMPARATOR RESET BUTTON, LEFT AC ISOLATED AND OPERATIONS WERE NORMAL. REPLACED COMPARATOR TEST LIGHT PANEL IAW DC-9 M.M. 33-10.