Boeing asks airlines to inspect planes equipped with FAA emergency locators . U.S. investigators say transmitter likely to blame for 787 fire at Heathrow the end of the year . In Heathrow , Boeing faces $ 2.75 million Boeing penalty .
Boeing asks airlines to inspect planes equipped with Honeywell emergency locators . UK investigators say transmitter likely to blame for 787 fire at Heathrow this month . In U.S. , Boeing faces $ 2.75 million FAA penalty .