Airframe Mechanic Airframe Inspection Procedures Questions and Answers

Question 1

A mechanic is inspecting a main wing spar made of aluminum alloy for suspected subsurface cracks originating from a fastener hole. Which NDT method is most effective for this specific task?

Accepted Answer

Eddy Current Inspection

Answer

Magnetic Particle Inspection

Answer

Dye Penetrant Inspection

Answer

Visual Tap Test

Question 2

During a detailed fuselage inspection, a mechanic notes fine, worm-like filaments of corrosion forming under the paint near a lap joint. This observation is most characteristic of which type of corrosion?

Accepted Answer

Filiform Corrosion

Answer

Pitting Corrosion

Answer

Intergranular Corrosion

Answer

Fretting Corrosion

Question 3

Which of the following statements correctly describes a key relationship between a 100-hour inspection and an annual inspection?

Accepted Answer

The scope and detail of an annual inspection can be used to satisfy the requirements of a 100-hour inspection.

Answer

The scope of a 100-hour inspection can be used to satisfy the requirements of an annual inspection.

Answer

An A&P mechanic with Inspection Authorization (IA) is required to perform and sign off both inspection types.

Answer

A 100-hour inspection is required for all private aircraft, while an annual is only for aircraft used for hire.

Question 4

An aircraft is subject to a mandatory, legally enforceable rule issued by the FAA that requires a specific inspection of the horizontal stabilizer attachment fittings due to a known unsafe condition. This type of rule is known as a(n):

Accepted Answer

Airworthiness Directive (AD)

Answer

Service Bulletin (SB)

Answer

Maintenance Manual Revision

Answer

Type Certificate Data Sheet (TCDS) update

Question 5

When an inspector performs a 'tap test' on a bonded honeycomb composite panel, what is the primary type of defect they are trying to detect?

Accepted Answer

Delamination or disbond between the face sheet and core

Answer

Surface porosity in the face sheet

Answer

Improper electrical bonding of the panel

Answer

Incorrect honeycomb core cell size

Question 6

When visually inspecting a primary structural member of an all-metal aircraft, such as a wing root fitting, which of the following findings would be considered the MOST critical?

Accepted Answer

A crack originating from a rivet hole

Answer

Light surface oxidation

Answer

A small, smooth-edged dent

Answer

Chipped or flaking paint