787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Preface -
Revision Record
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 0.4.9
2.20.9 - Revised the normal forward equipment cooling air source from
"outside air" to "cabin air".
2.20.9 - Revised automatic system reconfiguration when forward equipment
cooling switch is selected to OVRD.
2.20.10 - Revised system description to clarify override mode operation.
Aft Equipment Cooling
2.20.10 - Added information to state that the aft system is similar in layout
and functionality to the forward equipment cooling system.
2.20.10 - Revised the normal aft equipment cooling air source from "outside
air" to "cabin air" and clarified that it has a dedicated overboard "exhaust"
valve.
2.20.10 - Revised automatic system reconfiguration when aft equipment
cooling switch is selected to OVRD.
2.20.11 - Revised system description to clarify override mode operation.
Power Electronics Cooling System
2.20.11 - Revised description to reference the large motor power distribution
system instead of high voltage DC equipment.
2.20.11 - Clarified status description and temperature control.
Section 40 - Bleed Air System Description
Engine Anti-ice Bleed Air Supply
2.40.1 - Revised engine "bleed valves" to "anti-ice valves" for clarity of
system operation.
2.40.1 - Added condition that the engine anti-ice valve closes automatically
when a bleed air leak is detected.
Chapter 3 - Anti-Ice, Rain
Section 10 - Controls and Indicators
Anti–Ice Indications
3.10.2 - Added "system" to EAI and WAI EICAS display indication callouts
to clarify that the bugs are indicating that the system is on, not that the
switch(es) are ON.
Section 20 - System Description
Engine Anti–Ice System Manual Operation
3.20.2 - No technical change. Removed word "engine" from bleed air
overtemperature and overpressure listed (bullets) items.
February 15, 2010