Aviation Mechanic - General, Airframe, and Powerplant › II. Airframe › Task K. Aircraft Electrical Systems

AM.II.K.S6

Skill

Troubleshoot an airframe electrical circuit.

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 - General p. 12-83
Chapter 12: Fundamentals of Electricity & Electronics › Basic Circuit Analysis & Troubleshooting › Troubleshooting Shorting Faults in a Series Circuit
When the ohmmeter is connected across the open resistor, it indicates infinite…
Aviation Maintenance Technician Handbook - Airframe p. 9-45
Chapter 9: Aircraft Electrical System › Aircraft Electrical Systems › Small Single-Engine Aircraft
would disconnect the alternator from the bus. Figure 9-82. Schematic GCU control of the exciter field magnetism. Aircraft Electrical Systems Virtually all aircraft contain some form of an electrical system. The most basic aircraft must produce electricity for operation ... engine’s ignition system. Modern aircraft have complex electrical systems that control almost every aspect of flight. In general, electrical systems can be divided into different categories according to the function of the system. Common systems include lighting, engine starting…
Aviation Maintenance Technician Handbook - Airframe p. 9-99
Chapter 9: Aircraft Electrical System › Current Limiting Devices › Circuit Breakers
Circuit Breakers A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by an overload or short circuit. Its basic function is to detect a fault condition and immediately discontinue electrical flow ... Unlike a fuse that operates once and then has to be replaced, a circuit breaker can be reset to resume normal operation. All resettable circuit breakers should open the circuit in which they are installed regardless of the position…