Paladini, thanks you very much for your reasoned and sensible comments, though I no longer work for AAI I more than remember the work being done you are spot when you mention the preventative maintenance issue in MAD we were worked off our feet just to keep them flying and it never did help when comments like 737s were made, the guys I worked with and was in charge of at AAI were hard working and dedicated professionals sadly never appreciated by either AAI management or more sadly by Our flight deck collegues(not all obviously).