So I just got the call that my truck was ready to pick up after going in for 21N03. They noted that I had a balance of $48 for a broken chain guide that they replaced while in there, that’s not covered under 21N03. Maybe @FordTechOne or someone else can chime in, but is the broken guide a secondary issue related to the phaser rattle or something completely separate?. Regardless I am glad they found that. Also went ahead and got a 4 year 48k ESP premium plan for peace of mind.