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time through two nozzles: one in the waste container cabinet and one under the
lavatory sink. Extinguisher operation is automatic. There is no flight deck
indication.
Fire and Overheat Detection System Fault Test
The fire and overheat detection system has automatic and manual fault testing.
Fire and Overheat Detection System Automatic Fault Test
Fire and overheat detection system testing is automatic. The engine and APU
systems continuously monitor the fire/overheat detector loops for faults. The
cargo and wheel well systems continuously monitor for any system faults.
If a fault is detected, the system automatically reconfigures for single loop
operation. Complete system failures are indicated by an EICAS advisory message
for the failed system:
• DET FIRE ENG (L or R)
• DET FIRE APU
• DET FIRE CARGO (FWD or AFT).
Fire and Overheat Detection System Manual Fault Test
The fire and overheat detection systems can be tested manually by pushing and
holding the FIRE/OVERHEAT TEST switch.
The indications for a manual fire and overheat detection system test are:
• the fire bell rings
• the nose wheel well crew call horn sounds (on the ground)
• the EICAS warning message FIRE TEST IN PROG is displayed
• these lights illuminate:
• the master WARNING lights
• the LEFT and RIGHT engine fire warning lights
• the APU fire warning light
• the nose wheel well APU fire warning light
• the FWD and AFT CARGO FIRE warning lights
• the LEFT and RIGHT FUEL CONTROL switch fire warning lights.
When the test is complete, the EICAS warning message FIRE TEST PASS or
FIRE TEST FAIL replaces the FIRE TEST IN PROG message; the switch can be
released. The appropriate system EICAS messages are displayed with the FIRE
TEST FAIL message:
787 Flight Crew Operations Manual
Fire Protection -
System Description
Boeing Proprietary 8.20.7
All test messages clear when the test switch is released. If the switch is released
with the FIRE TEST IN PROG message displayed, the test ends without
completing.
• DET FIRE ENG (L or R)
• DET FIRE APU
• DET FIRE CARGO
(FWD or AFT)
• DET FIRE WHEEL WELL
787 Flight Crew Operations Manual
Fire Protection -
System Description
8.20.8 Boeing Proprietary
Intentionally
Blank
787 Flight Crew Operations Manual
Fire Protection Chapter 8
EICAS Messages Section 30
Boeing Proprietary 8.30.1
8.30 Fire Protection-EICAS Messages Fire Protection EICAS Messages
The following EICAS messages can be displayed.
Airplane System EICAS Messages
Cabin System EICAS Messages
Cabin
Message Level Aural Condition
BOTTLE 1, 2
DISCH ENG
Advisory Engine fire extinguisher bottle 1 or bottle 2
pressure is low.
BOTTLE DISCH
APU
Advisory APU fire extinguisher bottle pressure is
low.
BOTTLE DISCH
CARGO
Advisory Both rapid discharge cargo fire extinguisher
bottle pressures are low.
DET FIRE APU Advisory APU fire detection is inoperative.
DET FIRE
CARGO AFT,
FWD
Advisory Affected cargo compartment smoke
detection is inoperative.
DET FIRE ENG L,
R
Advisory A fault is detected in the engine fire
detection system.
FIRE APU Warning Fire
Bell
Fire is detected in the APU.
FIRE CARGO
AFT, FWD
Warning Fire
Bell
Smoke is detected in the affected cargo
compartment.
FIRE ENG L, R Warning Fire
Bell
Fire is detected in the engine.
FIRE WHEEL
WELL
Warning Fire
Bell
Fire is detected in a main wheel well.
OVERHEAT ENG
L, R
Caution Beeper Overheat is detected in the affected nacelle.
Message Level Aural Condition
SMOKE EQUIP
CLG AFT, FWD
Caution Beeper Smoke is detected in the affected
equipment cooling system.
787 Flight Crew Operations Manual
Fire Protection -
EICAS Messages
8.30.2 Boeing Proprietary
Crew Rest Area
System Test Messages
The following messages are associated with the manually initiated fire test.
SMOKE EQUIP
CLG MISC
Caution Beeper Smoke is detected in the miscellaneous
equipment cooling system in the cabin
overhead area.
SMOKE
LAV/COMPT
Advisory Beeper Smoke is detected in one or more
lavatories, or other enclosed compartment.
SMOKE
LAVATORY
Advisory Smoke is detected in one or more
lavatories.
Message Level Aural Condition
SMOKE REST
UPR DR 1, 4
Caution Beeper Smoke is detected in affected door upper
　
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