Repairability of Sheet Metal Structures

When you have sheet metal structures that are in need of repair, there are some important steps that you should make during inspection and maintenance. When fixing a piece that is broken or damaged, check with the producer’s SRM for the aircraft. When you do this, you mind finding a helpful illustration of the repairs needed, what steps to take, what parts you might need, etc. Any further information that is necessary to make a repair is also detailed. If the necessary information is not found in the SRM, it’s best to find counsel on similar pieces that need fixing, preferably from the same manufacturer as your metal sheet.

In order to maintain your FAA sheet in an FAA approved status and with approval to fly, you have to make consistent screenings and frequent inspections. This is so that you can note any pieces or parts that are vulnerable to corrosion (something that can happen when the pieces have operated in salt water). Inspection of floats and hulls involves examination for damage due to corrosion, collision with other objects, hard landings, and other conditions that may lead to failure. The places between sheets of metal that are exposed to water need to be proofed against water damaged with suitable fabric and sealing compound. You can test a float that has gone through hull maintenance by filling it up with water and letting it stay for at least a whole day.

Harm to metal aircraft's skin that reaches repairable limits involves the removal of the whole panel. The panel must also be replaced if there are too many previous repairs in a given section or area. Some of the flight controls of smaller general aviation aircraft have beads in their skin panels. When this happens, it is crucial to act fast and cover these seams. This should be covered in the manufacturer manual but can be easy to forget or dismiss. Overall it is very easy to maintain and give your sheet metal structures a long life so long as you provide it with the maintenance and inspection it needs.                                                                                     

For more information on metal sheet parts and the process to repair them, look to the folks at Buy Aviation Parts. Owned and operated by ASAP Semiconductor, we can help you find all the unique parts for the aerospace, civil aviation, and defense industries including floats, sheet metal, rotary assembly,fuselage rivet, sealing compound, skin panels, press brake. We’re always available and ready to help you find all the parts and equipment you need, 24/7-365. For a quick and competitive quote, email us at


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