After replacing the passenger airbag, the driver door will not open with the interior handle
What is your question?
I can open the door by opening the window and using the exterior handle. It doesn't sound like the interior mechanism is working on this door, but other doors still work fine.
How long has your 2008 Mercury Milan had this problem?
since the passenger air bag was replaced on a recall
RepairPal Certified shops can diagnose and repair your 2008 Mercury Milan. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Air bag replacement is irrelevant..