FWIW, the FAA site shows no ADs against PA-28s since '99.

Well, except for the dreaded crankshaft AD on the PA-28-235s and -236s,
running the Lycoming O-540 engine.

(Which I luckily have dodged... ;-)
--
Jay Honeck
Iowa City, IA
Pathfinder N56993
www.AlexisParkInn.com
"Your Aviation Destination"