Home / Photos / Yingling Aviation, Conquest Experts Photos Yingling Aviation, Conquest Experts By March 13, 2009 The Conquest SID program at Yingling Aviation. Just about everything from the cabin and instrument panel must be removed to conduct the eddy current inspection on the fore and aft pressure bulkheads. Just about everything from the cabin and instrument panel must be removed to conduct the eddy current inspection on the fore and aft pressure bulkheads. Yingling technicians found corrosion under the deice boot on the wing of a 425 and removed it. The numbers on the skin indicate the thickness of metal remaining after the corrosion is gone. The wing roots get special attention, particularly the fittings that connect the wing spars. The wing roots get special attention, particularly the fittings that connect the wing spars. The entire landing gear comes off for inspection and overhaul. More From Photos A Fond Memory: Sun 'n Fun Aerospace Expo 2023 Gallery: The Evolution of Van's Aircraft Gallery: Tails on Display at Oshkosh Gallery: Wednesday at Oshkosh Photos: <i>FLYING</i> Honors Award Winners at Adventure Party First Look: Supernal's Air Taxi Passenger Cabin