Aviation Mechanic - General, Airframe, and Powerplant › II. Airframe › Task B. Non-Metallic Structures

AM.II.B.S2

Skill

Inspect and repair fiberglass.

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. 7-33
Chapter 7: Advanced Composite Materials › Composite Honeycomb Sandwich Repairs › Damage Classification
fiberglass. [Figure 7-54] Damage Classification A temporary repair meets the strength requirements, but is limited by time or flight cycles. At the end of the repair’s life, the repair must be removed and replaced. An interim repair restores ... required strength to the component. However, this repair does not restore the required durability to the component. Therefore, it has a different inspection interval and/or method. A permanent repair is a repair that restores the required strength and durability…
Aviation Maintenance Technician Handbook - General p. 10-36
Chapter 10: Inspection Concepts & Techniques › Inspection of Composites › Tap Testing
Tap Testing Tap testing, also referred to as the ring test or…
Aviation Maintenance Technician Handbook - Airframe p. 7-37
Chapter 7: Advanced Composite Materials › Solid Laminates › Bonded Flush Patch Repairs
flight control flutter, and safety of flight could be affected. Figure 7-63. Post-repair inspection. Solid Laminates Bonded Flush Patch Repairs New generation aircraft have fuselage and wing structures made from solid laminates that are externally stiffened with ... laminates have many more plies than the face sheets of honeycomb sandwich structures. The flush repair techniques for solid laminate structures are similar for fiberglass, Kevlar®, and graphite with minor differences. A flush repair can be stepped or, more commonly…