AM.II.M.K2

From the FAA library

• Aviation Maintenance Technician Handbook - Powerplantp. 9-13
  Chapter 9: Engine Fire Protection Systems › Boeing 777 Aircraft Fire Detection & Extinguishing System › Fire Detection

  caution aural operates. • An engine overheat caution message shows. Fire Detection If an engine fire occurs, the fire detection card sends a signal to the AIMS and to the warning electronics unit, and a warning message illuminates. The following indications ... master warning lights come on. • The fire warning aural operates. • An engine fire warning message shows. • The engine fire warning light comes on. Figure 9-19. Components of fire extinguisher container. • The fuel control switch fire warning light comes…

• Aviation Maintenance Technician Handbook - Powerplantp. 9-4
  Chapter 9: Engine Fire Protection Systems › Engine Fire Detection Systems › Continuous-Loop Detector Systems

  fire detection control unit. As the temperature of the core increases, electrical resistance to ground decreases. The fire detection control unit monitors this resistance. If the resistance decreases to the overheat set point, an overheat indication occurs in the flight ... fire set point, a fire warning occurs. When the fire or overheat condition is gone, the resistance of the core material increases to the reset point and the flight deck indications go away. Figure 9-5. Kidde continuous-loop system…

• Aviation Maintenance Technician Handbook - Airframep. 17-1
  Chapter 17: Fire Protection Systems

  potassium. Requirements for Overheat & Fire Protection Systems Fire protection systems on current-production aircraft do not rely on observation by crew members as a primary method of fire detection. An ideal fire detector system includes as many of the following ... features as possible: 1. No false warnings under any flight or ground condition. 2. Rapid indication of a fire and accurate location of the fire. 3. Accurate indication that a fire is out. Indication that a fire has re-ignited…