These are the types of doors on the airplane:
* Forward and aft
entry doors
* Forward and aft
galley service doors
* Emergency exit
doors
* Cargo doors
* Miscellaneous
access doors.
A door warning system shows the crew that pressure bearing
doors are closed and properly latched before flight.
Pressure doors have silicon rubber seals. The seals do these
things:
* Seal air and
light leaks
* Act as acoustic
and thermal barriers
* Supply
aerodynamic smoothness
Location
The entry doors
are on the left side of the airplane.
The galley service doors are on the right side of the airplane.
The emergency exit doors are above the wings on both sides of
the airplane.
The cargo doors are on the right side of the airplane.
The miscellaneous
access doors are near the systems they serve
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