Based on your readings and research, write a $3-4$page paper explaining maintenance programs developed by using the industry approach and their use in commercial aviation. Your written analysis must follow APA style and address the following:

What is the purpose of the MSG program and industry working groups?

What were the changes over time of MSG$-1,2,$and $3,$and what was the reasoning behind these changes?

Do the program changes define any significant changes and their effectiveness?

$($PLEASE : Support your conclusions with a minimum of three or more references. Your writing submission is expected to be grammatically sound, free of spelling errors, and formatted according to the current American Psychological Association $($APA$)$edition$.)$