Thanks for reaching out. As long as your channel meets the YPP eligibility and thresholds, you can expect to hear back soon. It might take a bit of time as all the applications are being reviewed manually. It may take longer if your channel is held for an additional review.
4000 watch hours and also completed my 1000 Subscribers. My request you to please review my channel and enable monetization as soon aspic.twitter.com/MsYIlSM0BT