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POWER PLANT
Engine fire detection is provided by a dual-loop system; each loop consisting of sensing elements. Each zone’s elements are mounted on support tubes.
The Fire Detection and Extinguishing (FIDEEX) system provides fire detection and extinguishing to both main engine zones.
ENGINE FIRE DETECTOR ELEMENTS
SENSOR ELEMENTS (2 Ea. PER ASSEMBLY)
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The detection loops of both zones are monitored as a single zone and the fire extinguishing system when discharged, supplies both zones simultaneously.
FIRE BOTTLES
FEED TO THE
RIGHT ENGINE
DISCHARGE INTO
FIRE ZONE DISCHARGE INTO
FIRE ZONEDISCHARGE INTO
FIRE ZONE For more information, see Chapter 9, FIRE PROTECTION.
GF1810_096
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual Volume 2
POWER PLANT
Any engine exceedance is displayed in the MFD MENU window page 3/3 (on the ground only). The exceedance display window shall present data from the last recorded engine exceedance.
The presented data consists of the following:
.
Date of exceedance. . Maximum L.R N2 speed.
.
Maximum L.R N1 speed. . Maximum oil pressure.
.
Maximum L.R ITT. . Maximum L.R N1 vibration.
.
Maximum oil temperature. . Time in exceedance for each parameter.
.
Maximum L.R N2 vibration. . Source of the event that triggered the exceedance.
.
Time of exceedance.
The maximum value data shall be the maximum value the parameter achieved during the exceedance event, regardless of whether it was within the exceedance band. The time in exceedance data shall be the time the parameter was within its defined exceedance band, if any, up to 5 minutes maximum.
If an exceedance event is detected a data set is stored automatically by the Fault Warning Computer (FWC). A data set is also stored when the PILOT EVENT button is selected. A data set consists of parameters recorded every second spanning from 10 seconds prior to the exceedance event, the parameters when the event was triggered, and concluding 19 seconds after the event.
PILOT EVENT Button
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Volume 2
Flight Crew Operating Manual Rev 2A, Apr 11, 2005
POWER PLANT
DUAL ENGINE OUT
Indicates that a flameout has been detected in both the L and R engine or both L and R engines are shutdown (in flight).
L.R REVERSER UNLKD
Indicates that the affected reverser is unlocked, with the thrust lever in the forward position.
L.R ENG OVHT
L.R ENG FLAMEOUT
Indicates that there is a flameout
on the affected engine.
L.R ENG FUEL LO TEMP
Indicates that the affected engine fuel inlet temperature is approaching the fuel freezing point.
L.R ENG OVERSPED
Indicates that the affected engine shut down caused by independent overspeed protection.
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