Improper Overhaul and Repair of Aeronautical Anti-friction Bearings by Kornitzky Group LLC, doing business as AeroBearings LLC of Arlington, Texas

Purpose: This SAFO alerts aircraft owners, operators, air agencies, suppliers, distributors, and maintenance technicians of improper maintenance performed by AeroBearings LLC. This maintenance provider previously held Federal Aviation Administration (FAA) Air Agency Certificate No. 8AZR921B for aeronautical anti-friction bearings used in turbine engines, auxiliary power units (APU), rotorcraft drive systems, and accessory applications.
Background: The FAA investigation revealed that AeroBearings LLC conducted work on aeronautical anti-friction bearings used in aircraft engines, APUs, rotorcraft drive systems, and accessory applications without possessing the necessary approved data. As a result, AeroBearings LCC could not determine whether the bearings met the original equipment manufacturer’s (OEM) design specifications. The work accomplished is not compliant with Title 14 of the Code of Federal Regulations (14 CFR) Part 43. In March 2018, the FAA revoked AeroBearings LLC’s Air Agency Certificate No. 8AZR921B.
Recommended Action: See SAFO at https://www.faa.gov/other_visit/aviation_industry/airline_operators/airline_safety/safo/all_safos/media/2018/SAFO18008.pdf

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