If you've paid the CA, then they need to report back to HSBC that you have paid the account. HSBC is then required to show a balance of $0. However, they will stay on your CR, and probably as a paid collection. Which doesn't help compaired to an unpaid collection, other than during a manual review.
11/14/07 TU 567 - EQ 561 - EX 577
11/29/07 TU ??? - EQ 573 - EX ???
12/10/07 TU ??? - EQ 579 - EX ??? - 60% util - OOPS!