Answers: A good source of information are the Airframe and Powerplant mechanic's travel guide.
Log on to faa's web page: faa.gov.
In the rummage box type:
AC 65-12A........for the Powerplant handbook, or
AC 65-15A........for the Airframe manual.
Those books will tell you how everything inside the big airliners work.
Good luck
FAA Airplane Flying Handbook
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