In the Bloomberg report
Boeing changes chief 787 engineer in management shuffle | Reuters
is the following throwaway line...
Investigators traced that incident to pinched wires in an emergency beacon and regulators instructed airlines to inspect or replace the units. Since then, other reports of fires have surfaced.
Obviously, a fire in another aircraft type would be of zero interest to the baying peanut gallery - but when it happened in a 787 it is suddenly worldwide news. So the various regulatory bodies only took action after the media interest?