BLOCK 5 HOPPE

Front

What is the recommended edge distance for all attachments in the repair areas?

Back

Two diameters plus one-sixteenth inch

Front

What must all repair material be in terms of material and heat treat condition?

Back

The same material and heat treat condition as the part being repaired

Front

How must all metal repair parts be treated according to the manual?

Back

Cleaned and corrosion protected

Front

What must all repair parts be free from?

Back

Cracks, burrs, dings, and sharp edges

Front

How should all attachment holes be prepared?

Back

In accordance with General Repair Procedures and Processes, Chapter 51

Front

What is the minimum attachment spacing in repair areas?

Back

Four diameters

Front

What should be accomplished to all repairs involving the plating edges?

Back

Sealing

Front

In repairs where external doublers require chamfering, what may the machine or hand taper be replaced with for aerodynamic reasons?

Back

a seal-type taper

Front

If cracks are longer than .0250 to 3", should the crack be repaired?

Back

True

Front

What type of rivets should be used in .025 inch and thicker external doubler?

Back

NAS1097AD3 Rivets skin rivets