Pressreader (as displayed by a Google search) shows it as 11 letters
https://www.google.com/search?q=Changeable+i+recalled+in+the+case+of+blackpool%3Frainy+or+windy!
but clicking through doesn't show the actual crossword.
Assuming that just one letter provided by Lashley is incorrect, TheSage is offering me patronaging, patronising, patronizing, amaranthine, entrenching, intrenching, retrenching & unbranching but I can't parse any of those!