787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Fire Protection -
System Description
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 8.20.5
Main Wheel Well Fire Protection
The main wheel well has fire and overheat detection. There is no fire
extinguishing system. The nose wheel well does not have a fire or overheat
detection system.
Main Wheel Well Fire and Overheat Detection
The main wheel well fire and overheat detection system consists of dual detector
channels.
Main Wheel Well Overheat Warning
The indications for a main wheel well overheat are:
• the caution beeper sounds
• the master CAUTION lights illuminate
• the EICAS caution message OVERHEAT WHEEL WELL is displayed
Main Wheel Well Fire Warning
The indications for a main wheel well fire are:
• the fire bell sounds
• the master WARNING lights illuminate
• the EICAS warning message FIRE WHEEL WELL is displayed
Cargo Compartment Fire Protection
Cargo compartment fire protection consists of these systems:
• cargo compartment smoke detection
• cargo compartment fire extinguishing
Cargo Compartment Smoke Detection
The forward and aft cargo compartments each have smoke detectors. Each
compartment is divided into three detection zones. If smoke is detected in any
zone, a fire warning occurs.
Whenever cargo compartment smoke detection is inoperative, the EICAS
advisory message DET FIRE CARGO (FWD or AFT) is displayed.
Cargo Compartment Fire Warning
The indications of a cargo compartment fire are:
• the fire bell sounds
• the master WARNING lights illuminate
• the EICAS warning message FIRE CARGO (FWD or AFT) is displayed
• the CARGO FIRE (FWD or AFT) fire warning light illuminates
February 15, 2010
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