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NTSB urges FAA action on Boeing windshield heat terminal fire AD
6 September 2007

The NTSB issued two safety recommendations regarding the prevention of windshield heat terminal fires on Boeing 747, 757, 767 and 777 airplanes. It recommends the FAA to complete the process begun in 2004 to approve the service bulletin for the installation of the redesigned windshield heat terminal block on Boeing 767 airplanes. (A-07-49); and
To issue airworthiness directives to replace the windshield heat terminal block on all Boeing 747, 757, 767, and 777 airplanes in accordance with the Boeing service bulletins. (A-07-50). (NTSB)