EXPERT PANEL PRESENTATION ON COMMERCIAL AIRCRAFT CORROSION ASSESSMENT AND COATING PREVENTION
MR. BERNARD YONKOVITZ, AMERICAN AIRLINES
DR. GEORGE T. BAYER, MATCO SERVICES, INC.
Being an American Airline Failure Analysis Engineer at the World’s largest airline is very demanding and challenging. Many of these challenges limit the amount of time it takes to perform lab analysis. Other challenges require many hours of research and development to correct a problem that has to be within the FAA requirements to maintain the airworthiness of a damaged aircraft. One such event involved major corrosion damage to multiple aircraft interior door seals and wet area floor frames. Matco corrosion lab studies were conducted on alodine / paint coatings to determine why corrosion repairs on interior cabin floor 7075 aluminum beam supports corroded after six months exposures. The Holiday Test Unit played a very important role in establishing an improved paint procedure and inspection tool. Numerous failure analysis tools employed in the laboratory at Matco are described in this presentation as well.
Bernie Yonkovitz is a Senior Fleet Metallurgical Engineer (University of Pittsburgh) with American Airlines located in Pittsburgh, PA. He is the only engineer that deals with the aircraft structure, landing gear, and engines. He has 30 years engineering experience in the area of failure analysis. His Engineering experience includes Electrical, Welding, Materials Science, Chemistry, Fracture Mechanics, Corrosion, and Microbiology. He has won many engineering awards at both Westinghouse and American Airlines. His patents are in electrical engineering and were awarded the Federal Aviation Administration (FAA) National Flight Safety Award for his accomplishment in microbe contamination in Jet Fuel. And the Matco Labs Distinguished Engineering Award.
Dr. George T. Bayer is a Technical Manager of the Coatings Group at Matco Services, Inc. He has over 25 years of combined experience in metallic and non-metallic materials, organic and metallurgical coatings, aqueous and high-temperature corrosion, and materials characterization and chemical analysis. He holds 5 U.S. patents and has authored over 25 technical papers. Dr. Bayer is a member of ASM International and the American Chemical Society.
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