I'd consider it unlikely that your weakened RX is C17. Likely other failures are to be investigated. Oddly the first place I'd go is soldering.
From what I know literally many thousands are sold per year. Last announcement last year the number of units crossed 8000. Unlikely to be in the same lot.
Allison ------------------------------- Please reply on list so we can share. No direct email, it goes to bit bucket due address harvesting in groups.IO