underneath

Can anyone tell me what is causing this sound ? It sounds like a dripping/clanking. It comes from underneath but it only happens when parked after driving over 50. The dealership can’t seem to find the issue. Thank you in advance

Hi everyone, started hearing this noise since yesterday, whenever i turn off the engine this clunk noise comes from underneath. The Jeep has 36000 miles and never heard this before until yesterday. 2020 JL 3.6 2 door sport S.