Aviation Mechanic - General, Airframe, and Powerplant › II. Airframe › Task J. Aircraft Fuel Systems

AM.II.J.S2

Skill

Inspect a metal, bladder, or integral fuel tank.

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 - Airframe p. 14-21
Chapter 14: Aircraft Fuel Systems › Fuel Tanks › Integral Fuel Tanks
Integral Fuel Tanks On many aircraft, especially transport category and high-performance aircraft, part of the structure of the wings or fuselage is sealed with a fuel resistant two-part sealant to form a fuel tank. The sealed skin ... with the lowest weight. This type of tank is called an integral fuel tank since it forms a tank as a unit within the airframe structure. Integral fuel tanks in the otherwise unused space inside the wings are most common…
Aviation Maintenance Technician Handbook - Airframe p. 14-47
Chapter 14: Aircraft Fuel Systems › Fuel Tank Repair › Integral Tanks
Integral Tanks Occasionally, an integral tank develops a leak at an access panel. This can often be repaired by transferring fuel to another tank so the panel can be removed and the seal replaced. Use of the proper sealing compound ... bolt torque are required. Other integral fuel tank leaks can be more challenging and time consuming to repair. They occur when the sealant used to seal the tank seams loses its integrity. To repair, fuel needs to be transferred…