787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Airplane General, Emergency
Equipment, Doors, Windows -
Systems Description
Copyright © The Boeing Company. See title page for details.
1.40.18 D615Z003-TBC
Each door has a vent panel connected to the door handle. The vent is designed to
prevent pressurization to an unsafe level if the door is not fully closed, latched, and
locked. Forward rotation of the door handle past the latched position closes the
vent. Initial aft door handle rotation opens the vent to equalize cabin and ambient
pressure. At low differential pressure, the door handle can be rotated to allow the
door to open fully. At high differential pressure, the vent can be partially opened;
however, a mechanical interlock prevents door opening until the differential
pressure is reduced. At very high differential pressure, the vent cannot be opened.
Flight Lock
Each door handle is automatically locked when groundspeed is greater than 80
knots. The locked door handle has sufficient rotation to partially open the door
vent, but prevents complete door opening. Flight locks are disengaged when
ground speed is less than 70 knots, or if electrical power is removed or failed.
Emergency System Operation
[Option – Rafts at every door]
Emergency evacuation slide/raft and pneumatic door opening systems are
contained in each passenger entry door. Each door system has enough power to
open the door unassisted, even if the airplane is not level due to a landing gear
collapse condition. A bustle in the lower face of the door contains the slide/raft.
[Option – Rafts at every door]
The pneumatic door opening system is armed when the mode select lever is in the
automatic mode. This engages the door girt bar and arms both the slide/raft and
the pneumatic door opening systems. Once armed, moving the interior door
handle to the open position operates the pneumatic opening actuator. The actuator
drives the door open and the slide/raft automatically deploys and inflates.
[Option – Rafts at every door]
The pneumatic door opening system and the slide/raft are automatically disarmed
when the door is opened from the outside. If the mode select lever is in the
automatic mode and the door is opened using the exterior door handle, the mode
select lever automatically moves to the manual mode and the door opens without
slide/raft deployment.
February 15, 2010
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