If you need to print mailing labels and/or check status and get info, for an HPE part return, try this:
Category: Vendor Pages
HPE Easy Part Return
article #1394, updated 689 days ago
HP Warranty Info, & HP Support Tickets
article #632, updated 3126 days ago
The best place as of this writing, is here:
There are other places for warranty info, but the other places often omit care packs from their reports.