Hello TG
Have you read the FSX SDK? If you haven't, that's the first place to go. After a few days of reading, you need to complete the FSX game pack installation:
https://www.fsdeveloper.com/forum/forums/fsx-p3d-sdk-installation.111/
After
carefully reading both things, you'll have another task to do: you will need to identify the correct
part names depending on the animations you want to add: (I.e. opening doors, flaps, landing gear levers, etc.)
Also, in the "search" field, type "FSX animations" and read a bit more.
Our dear friend Milton Shupe, have created a play list on how you can get familiar with overall Gmax procedures to create and export fixed wing aircrafts for FS9 (aka FS2004). Once you have a first glance of what Gmax can and cannot do,
he explains the way to migrate the modeled aircraft to FSX. I really recomend to follow his videos:
https://www.youtube.com/user/IFRfun/videos
Addendum:
Quote " I need an expert to load it in GMAX and animate the parts please."
When you ask that kind of things, I really doubt that anyone will be eager to do that for you. consider this website a self helping place where someone really interested to learn, have the material and the right experts to answer questions.
Try the best you can and show more effort in the tasks at hand. It takes time to learn the correct things to achieve goals.
As a final note, have you Paul Clawson's permission to even try to mess with his model???
You will need patience and aquire some practice to achieve what you need.
Sergio.