February 28, 2013 787 Update
Boeing has forwarded its proposal for the lithium-ion battery fix to the FAA. The fix includes a shell around the battery, vent tubes, and better insulation between battery cells. An unconfirmed report has the Japan officials be rather unimpressed with the solution as the root cause of the fire is not yet understood. The USA Today is reporting the FAA will review the proposal and report its decision next week.