You were right! I was a couple days early on my 181 day mark. Tried again today and while I didn't get the full 3x my limit, they did double it to $12k. I'll take it! 
Same thing happened to me. What a waste of time! The funny thing though...the letter I got in the mail stated the CLI was declined due to me filing BK. Well....the funny thing is...that BK was discharged over 6 years ago, and they approved my initial application March 2015 with that same BK on my CR. Makes no sense to me! 