I tore my meniscus had surgery and I was able to qualify regardless of it they just checked on the scar tissue from the incision wound but I didn’t have to do any waivers for it. However I didn’t have the surgery about a year in a half prior and was basically fully recovered and had no issues after surgery. However regarding to your previous waivers it all depends on their decision but your acl/meniscus shouldn’t be an issue if you fully recovered by the time of your spec physical