Alex Derber June 24, 2026 The International Air Transport Association (IATA) has called for a more open engine aftermarket to prevent maintenance bottlenecks that continue to cause extended turnaround times and disruption for operators. In a new report, IATA identified better parts availability and looser OEM control of the engine maintenance market as the main avenues of improvement, citing its agreement with CFM as an example of best practice. The deal was first agreed in 2018.