EASA AD US-2021-05-18
Engine - Diffuser Case M-Flange - Inspection
Airworthiness Directive 2021-05-18 is a final rule issued by the Federal Aviation Administration addressing International Aero Engines AG V2500 series turbofan engines, including models V2500-A1, V2522-A5, V2524-A5, V2525-D5, V2527-A5, V2527E-A5, V2527M-A5, V2528-D5, V2530-A5, V2531-E5, and V2533-A5. This directive mandates inspections of the M-flange on the diffuser case to detect cracks and requires replacement of the diffuser case M-flange if defects are found. The directive aims to ensure continued airworthiness and safety of these engine models.