Aviation Mechanic - General, Airframe, and Powerplant › I. General › Task D. Fluid Lines and Fittings

AM.I.D.S4

Skill

Perform a rigid line or flexible hose inspection.

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. 9-18
Chapter 9: Fluid Lines & Fittings › Hose Identification › Flexible Hose Inspection
Figure 9-34] Figure 9-31. Flexible fluid connection assembly. Figure 9-32. Flexible hose with stainless braid. Flexible Hose Inspection Check the hose and hose assemblies for deterioration at each inspection period. Leakage, separation of the cover or braid ... apparent signs of deterioration and reason for replacement. The term “cold flow” describes the deep, permanent impressions in the hose produced by the pressure of hose clamps or supports. When failure occurs in a flexible hose equipped with swaged…
Aviation Maintenance Technician Handbook - General p. 9-14
Chapter 9: Fluid Lines & Fittings › Rigid Tubing Inspection & Repair
However, the line may be repaired by cutting out the damaged section…