At Tokyo International Airport last July, Boeing 787 Dreamliners flown by All Nippon Airways taxied across the tarmac. Kimimasa Mayama /EPA/Landov hide caption
Boeing 787
A Japan Airlines Boeing 787, like this one seen last July in Boston, was temporarily grounded Tuesday after a mechanic spotted smoke coming from the craft's battery compartment. Elise Amendola/AP hide caption
A Boeing 787-9 lands after its first flight on September 17, 2013 at Boeing Field in Seattle, Washington. The aircraft maker delivered 65 of the new jetliners last year. Stephen Brashear/Getty Images hide caption
An Airbus A350-900 takes off from an airport in Toulouse, France, on its maiden flight. Japan Airlines reportedly has ordered 18 A350-900s and 13 A350-1000s. AFP/Getty Images hide caption
The first Boeing 787-881 Dreamliner delivered to All Nippon Airlines. Keith Draycott/FlickrVision hide caption
Pieces of damaged electrode coils from a battery cell that resulted in a fire aboard a Japan Airlines Boeing 787 Dreamliner airplane at Logan International Airport in Boston. Saul Loeb /AFP/Getty Images hide caption
Transportation Secretary Ray LaHood speaks during a news conference at the Transportation Department in Washington in January. Susan Walsh/AP hide caption
In Tokyo today, a United Airlines 787 Dreamliner sat at a gate. Toru Hanai /Reuters /Landov hide caption
An All Nippon Airways flight sits at Takamatsu airport in Takamatsu, Japan, after it made an emergency landing Wednesday. Yasufumi Nagao/Yomiuri Shimbun/AP hide caption
The interior of a United Airlines Boeing 787 Dreamliner. Kevork Djansezian/Getty Images hide caption
A Japan Airlines Boeing 787 Dreamliner jet aircraft is surrounded by emergency vehicles while parked at a Terminal E gate at Logan International Airport in Boston on Monday. A small electrical fire filled the cabin of the JAL aircraft with smoke about 15 minutes after it landed in Boston. Stephan Savoia/AP hide caption