For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
The keys (qwertyuio) of my Macbook air 2003 A1466 suddenly stopped working.
I found several questions online about that and did not find any threads about that issue here:
Here is a list of other threads about the issue...