Aircraft Sheet Metal Patch Repair Procedure

When repair of a damaged part is possible first study the part carefully to fully understand its purpose or function.

Aircraft sheet metal patch repair procedure.

General the airframe of a fixed wing aircraft is generally considered to consist. Make repairs to transparent plastic windows and enclosures. Cut out a circular patch from a sheet of aluminum that is the same thickness and the original aircraft skin. However the seams between sections of sheet metal should be waterproofed with suitable fabric and sealing compound.

Basic airframe repair subcourse number al0992 edition a us army aviation logistics school fort eustis virginia 23604 5439 4 credit hours edition date. If the rivet is too long the formed head will be too large or the rivet may bend or. 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. The art of sheet metal 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. It is not contrary to manufacturer s data. The user has determined that it is appropriate to the product being repaired. Debur the outer edge of the patch.

Maximum rivet diameter is three times the thickness of the thickest sheet to be riveted. 9 27 01 ac 43 13 1b chg 1 par 4 50 page 4 11 section 4. 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.

Metal repair procedures 4 50. Minimum rivet diameter is equal to 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. Repair techniques required to handle damage composites are introduced and the.

Fs102 aircraft inspection findings 3 2 theory 1 exercises on aircraft sheet metal repair damage evaluation. The primary objective of aircraft repair is to restore damaged parts to their original condition. 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. Composite awareness composite is a very sensitive material and technicians should have the knowledge to prevent damage and ex.

Fabricate structural parts using metal forming techniques and fiberglass materials. It is directly applicable to the repair being made. Control parts wing covering or similar parts of the aircraft.