Aviation expert witnesses may write reports and opine on aerospace engineering, aircraft design, and aircraft operations. After electrical problems on the Boeing 787, the FAA press release of 1/11/13 states:
In light of a series of recent events, the FAA will conduct a comprehensive review of the Boeing 787 critical systems, including the design, manufacture and assembly. The purpose of the review is to validate the work conducted during the certification process and further ensure that the aircraft meets the FAA’s high level of safety….
A team of FAA and Boeing engineers and inspectors will conduct this joint review, with an emphasis on the aircraft’s electrical power and distribution system. The review will also examine how the electrical and mechanical systems interact with each other.