Basic airframe repair subcourse number al0992 edition a us army aviation logistics school fort eustis virginia 23604 5439 4 credit hours edition date.
Aircraft sheet metal patch repair procedure.
Composite awareness composite is a very sensitive material and technicians should have the knowledge to prevent damage and ex.
General the airframe of a fixed wing aircraft is generally considered to consist.
Control parts wing covering or similar parts of the aircraft.
The art of sheet metal repair.
The primary objective of aircraft repair is to restore damaged parts to their original condition.
The resources and approved data vary by aircraft and operation but generally include the manufacturer s structural repair manual maintenance manual and ac.
Metal repair procedures 4 50.
Minimum rivet diameter is equal to the thickness of the thickest sheet to be riveted.
Fs102 aircraft inspection findings 3 2 theory 1 exercises on aircraft sheet metal repair damage evaluation.
If the rivet is too long the formed head will be too large or the rivet may bend or.
The repair data may also be used as approved data and the ac chapter page and paragraph listed in block 8 of faa form 337 when.
The diameter will depend on the number of rows of rivets you re planning on installing.
Cut out a circular patch from a sheet of aluminum that is the same thickness and the original aircraft skin.
The user has determined that it is appropriate to the product being repaired.
Repair replace aircraft structural components according to drawings blueprints directives technical manuals and safety procedures.
Repair techniques required to handle damage composites are introduced and the.
Fabricate structural parts using metal forming techniques and fiberglass materials.
When repair of a damaged part is possible first study the part carefully to fully understand its purpose or function.
However the seams between sections of sheet metal should be waterproofed with suitable fabric and sealing compound.
A float that has undergone hull repairs should be tested by filling it with water and allowing it to stand for at least 24 hours to see if any leaks develop.
It is not contrary to manufacturer s data.
Principal requirements in repair of structures inspection of the damage and accurate estimate of the type of repair required important steps in repairing structural damage.
September 1994 subcourse overview this subcourse is designed to provide you with a general familiarization of the airframe of today s aircraft and repair procedures.
It is directly applicable to the repair being made.
Debur the outer edge of the patch.
Maximum rivet diameter is three times the thickness of the thickest sheet to be riveted.
The proper length of rivet is an important part of the repair.
