Parts from BF-2’s power thermal management system had to be sent back to Honeywell for inspection after the F-35B had smoke in the cockpit on Feb. 14.
The pilot had stop and restart the auxiliary power unit when a caution light came on during flight and noticed traces of smoke. The flight was terminated and landed safely without declaring an emergency.
[thumb]http://www.reuters.com/article/2013/02/25/us-lockheed-fighter-honeywell-idUSBRE91O11V20130225[/thumb]