Originally Posted by
JDiver
By the time a 777 goes through a "heavy C" check, it's nearly new all over again.
A "C" check does not mean that the aircraft gets new technology or design elements.
The space shuttle goes through checks that are fare more thorough than a "C" check yet it's plenty old.
Having said this, I personally don't think that AA 777s are old, just "ageing."