I'm currently on EAD (PD: 03/2003, 485 Pending, EB3, I-140 approved long back) still with same employer but planning to switch jobs.

Somehow it's not clear about the steps one needs to take after revoking I-140
(after it's approved, passed 180 days, 485 still pending.)

To my understanding, correct if i'm wrong...
If employer revokes I-140 after switching my job.

1. Use AC-21, should be able to work on EAD.
2. Doing AC-21, USCIS will look into it and approve I-140 correct ??
3. When my priority date is current, i should get 485 approved if everything goes well right.
What happens to I-140 revoke, It doesn't need to approved at the time of 485 approval.
3. If someone is on bench for 6-9 months on EAD, shouldn't hurt 485 pending right ???

Let me know

Thanks,
Ken.