Aviation Mechanic - General, Airframe, and Powerplant › III. Powerplant › Task E. Engine Fire Protection Systems

AM.III.E.S5

Skill

Locate troubleshooting procedures for a fire detection system.

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Aviation Maintenance Technician Handbook - Powerplant p. 9-11
Chapter 9: Engine Fire Protection Systems › Fire Detection System Troubleshooting
Fire Detection System Troubleshooting The following troubleshooting procedures represent the most common difficulties encountered in engine fire detection systems: 1. Intermittent alarms are most often caused by an intermittent short in the detector system wiring. Such shorts may be caused ... sensing element rubbing against a structural member long enough to wear through the insulation. Intermittent faults often can be located by moving wires to re-create the short. Figure 9-16. Rubbing interference. Figure 9-17. Inspection of fire detector…
Aviation Maintenance Technician Handbook - Airframe p. 17-18
Chapter 17: Fire Protection Systems › Fire Detection System Troubleshooting
Fire Detection System Troubleshooting The following troubleshooting procedures represent the most common difficulties encountered in engine fire detection systems: 1. Intermittent alarms are most often caused by an intermittent short in the detector system wiring. Such shorts may be caused ... sensing element rubbing against a structural member long enough to wear through the insulation. Intermittent faults often can be located by moving wires to recreate the short. Figure 17-26. Connector joint fitting attached to the structure. Figure…