EASA AD 2021-0117
Landing Gear — Parking Brake System — Modification
EASA Airworthiness Directive 2021-0117 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Pipistrel Virus SW 121 and SW 128 aeroplanes. It addresses a safety issue related to the parking brake system on these aircraft models. The directive mandates a modification to the parking brake system to prevent inadvertent lever movement and brake fluid leakage.