A&P Sheet Metal Structural Repair 5

Question 1

Which document is normally the primary approved source for repairing structure on a transport-category aircraft?

Accepted Answer

The manufacturer's Structural Repair Manual (SRM)

Answer

The SRM gives approved repair data specific to that aircraft's structure.

Question 2

A structural repair classified as a major repair must be documented on which form?

Accepted Answer

FAA Form 337

Answer

Major repairs and alterations are recorded on FAA Form 337.

Question 3

Which damage category applies when a section must be cut out and a new section spliced in?

Accepted Answer

Damage repairable by insertion

Answer

Insertion repair replaces the damaged section with a new piece spliced into the structure.

Question 4

Why are lightening holes in ribs and bulkheads usually flanged?

Accepted Answer

To add stiffness lost when the material was removed

Answer

Flanging the hole edge stiffens the web so it resists buckling.

Question 5

What is the purpose of the pure aluminum layer on Alclad sheet?

Accepted Answer

To protect the alloy core from corrosion

Answer

The pure aluminum cladding is anodic to the core alloy and resists corrosion.

A&P - Certified Airframe and Powerplant Mechanics Practice Test