AM.III.E.S7
SkillInspect a turbine engine fire extinguisher container.
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- Chapter 9: Engine Fire Protection Systems › Boeing 777 Aircraft Fire Detection & Extinguishing System › Engine Fire Switches
Engine Fire Switches The engine fire panel is in the flight deck on the P8 aisle stand. The engine fire panel has a fire switch for each engine and a discharge light for each fire bottle. [Figure ... engine fire switch has four functions: Gives an indication of an engine fire, • Stops the engine, • Isolates the engine from the aircraft systems, and • Controls the engine fire extinguishing system. The fire switch assembly incorporates a solenoid that locks…
- Chapter 9: Engine Fire Protection Systems › Boeing 777 Aircraft Fire Detection & Extinguishing System › Engine Fire Operation
Deenergizes the engine fuel metering unit (FMU) cutoff solenoid. • Closes the engine hydraulic pump shutoff valve. • Depressurizes the engine driven hydraulic pump valve. • Closes the pressure regulator and shutoff valve. • Removes power from thrust reverser isolation valve. • Trips the generator ... field. • Trips the backup generator field. [Figure 9-27] Figure 9-24. Location of fire extinguishing bottles. Figure 9-25. Squib or cartridge. Figure 9-26. Fire switch. Engine Fire Operation If an engine has a fire, the engine fire…
- Chapter 9: Engine Fire Protection Systems › APU Fire Detection & Extinguishing System
Fire Detection & Extinguishing System The APU fire protection system is similar in design to engine fire protection systems, but there are some differences. The APU is often operated with no personnel in the flight deck and; the APU fire protection ... system can operate in an unattended mode on the ground with the engines not running. If there is an APU fire in the unattended mode, the fire extinguisher discharges automatically. The APU operates in the attended mode when at least…