According to the February 20, 2013 sworn deposition of the FAA inspector in charge of the cases against the mechanics and the airline, the inspector, Klaus Ploschnitznig, prepared a PowerPoint briefing on potential USAirways maintenance violations for an internal FAA management presentation January 20, 2010, shortly after the alleged violations were discovered.

FORBES: Documents Raise Questions Of FAA Impartiality In Airline Oversight

Among the services displaying at the expo are internal architects, landscape gardeners, experts in cemetery maintenance and craftsmen that specialize in the manufacture of bells.

CNN: May 25, 2012 -- Updated 0815 GMT (1615 HKT)