Aircraft Sheet Metal Patch Repair Procedure

Fs102 aircraft inspection findings 3 2 theory 1 exercises on aircraft sheet metal repair damage evaluation.

Aircraft sheet metal patch repair procedure.

Maximum rivet diameter is three times the thickness of the thickest sheet to be riveted. Basic airframe repair subcourse number al0992 edition a us army aviation logistics school fort eustis virginia 23604 5439 4 credit hours edition date. Make repairs to transparent plastic windows and enclosures. Repair replace aircraft structural components according to drawings blueprints directives technical manuals and safety procedures.

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. The diameter will depend on the number of rows of rivets you re planning on installing. Debur the outer edge of the patch. It is not contrary to manufacturer s data.

Sheet metal floats should be repaired using approved practices. Composite awareness composite is a very sensitive material and technicians should have the knowledge to prevent damage and ex. The proper length of rivet is an important part of the repair. Control parts wing covering or similar parts of the aircraft.

The resources and approved data vary by aircraft and operation but generally include the manufacturer s structural repair manual maintenance manual and ac. The art of sheet metal repair. 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.

However the seams between sections of sheet metal should be waterproofed with suitable fabric and sealing compound. Metal repair procedures 4 50. If the rivet is too long the formed head will be too large or the rivet may bend or. The primary objective of aircraft repair is to restore damaged parts to their original condition.

Repair techniques required to handle damage composites are introduced and the. It is directly applicable to the repair being made. 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. Minimum rivet diameter is equal to the thickness of the thickest sheet to be riveted.

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. 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. Cut out a circular patch from a sheet of aluminum that is the same thickness and the original aircraft skin.