https://tinyurl.com/bj4j2bd7
"The requirement for the minimum distance was fulfilled.
But the requirement for the maximum of 85mm, when the DRS
system is deployed and tested in accordance with TD/011-19,
were not fulfilled.
以上是官方的『起訴書』
sky人員的翻譯是；
The DRS is comprised of an upper and a lower flap, and it appears the gap
between those was bigger than rules allow when deployed.
簡單說，HAM車的DRS 可以開啟的幅度大於規則容許的