Lima Class 55 "Royal Scots Grey" : Repair Request

I was sent this Lima Deltic by a chap called Richard on behalf of his son Freddie. They acquired this model at Key Model World Live and wanted me to look it over. Merch - https://oobillmerch.creator-spring.com Support - https://ko-fi.com/oobill73561 FAQ - https://ko-fi.com/post/FAQ-C0C6E0UO4