見つかってる

has been found

→ 見付かる
見つかっ was found, turned up + てる Progressive/continuative
verb · present indicative Rare #37,530
has been found Colloquial contraction of 見つかっている, describing the resulting state of something being found.
JA: 探していた鍵が見つかってる。
EN: The key we were looking for has been found.
Conjugation of 見付かる
Indicative present
見つかります見つかってる

もう見つかってる

Have you found it already?

— かぐや姫の物語 (2013)

見つかってるって

You mean they found it?

— かぐや姫の物語 (2013)

もう見つかってる

It's already been found.

— ハウルの動く城 (2004)

見つかってる

They've found it.

— かぐや姫の物語 (2013)