Aircraft Sheet Metal Patch Repair Procedure

However the seams between sections of sheet metal should be waterproofed with suitable fabric and sealing compound.

Aircraft sheet metal patch repair procedure.

Fabricate structural parts using metal forming techniques and fiberglass materials. 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. Control parts wing covering or similar parts of the aircraft. 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.

Sheet metal floats should be repaired using approved practices. 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. If the rivet is too long the formed head will be too large or the rivet may bend or. The user has determined that it is appropriate to the product being repaired.

When repair of a damaged part is possible first study the part carefully to fully understand its purpose or function. Composite awareness composite is a very sensitive material and technicians should have the knowledge to prevent damage and ex. It is not contrary to manufacturer s data. General the airframe of a fixed wing aircraft is generally considered to consist.

Metal repair procedures 4 50. Make repairs to transparent plastic windows and enclosures. Repair techniques required to handle damage composites are introduced and the. Cut out a circular patch from a sheet of aluminum that is the same thickness and the original aircraft skin.

Maximum rivet diameter is three times the thickness of the thickest sheet to be riveted. The resources and approved data vary by aircraft and operation but generally include the manufacturer s structural repair manual maintenance manual and ac. The diameter will depend on the number of rows of rivets you re planning on installing. 9 27 01 ac 43 13 1b chg 1 par 4 50 page 4 11 section 4.

Fs102 aircraft inspection findings 3 2 theory 1 exercises on aircraft sheet metal repair damage evaluation. It is directly applicable to the repair being made. Basic airframe repair subcourse number al0992 edition a us army aviation logistics school fort eustis virginia 23604 5439 4 credit hours edition date. The primary objective of aircraft repair is to restore damaged parts to their original condition.

Repair replace aircraft structural components according to drawings blueprints directives technical manuals and safety procedures. The proper length of rivet is an important part of the repair. 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.