感谢板上的信息，485 DIY的，祝大家都能早绿早毕业
附timeline：
PD: 9/2016
RD: 7/2019
FP: 8/2019
Combo #1: 9/2019
RTS: 10/2019
IV: 12/2019 提交体检 Chicago FO 排期不c回NBC
Case transferred: 12/2019
Case transferred: 3/2020
Combo #2: 6/2020
Case transferred: 3/2021
PD current: 5/2021
SR: 5/5/2021 still pending as of now
Card is being produced: 5/12/2021
Case is approved: 5/13/2021
Card is mailed: 5/14/2021
Card is picked up by USPS: 5/17/2021
Card is delivered: 5/19/2021
