Aircraft Repair

Analysis, Diagnosis, Repair

21jAeroDesign are experts in the design and approval of aircraft repairs. We offer case specific and generic Part-21 approved repairs for metallic and composite aircraft structures, parts and components.

21jAeroDesign’s scope of approval for aircraft repair covers:

  • Control surfaces/moveables
  • Empennage
  • Fuselage

  • Wings
  • Cabin interiors
  • Cargo compartments

  • Flight deck interiors
  • Nacelles (air intake, fan cowls, thrust reversers)
  • Hydro-mechanical systems

Our specialism is the repair of advanced composites which are used extensively in modern aircraft structures and for the construction of interior parts.

Our composite repair capabilities include:

  • Monolithic structures
  • Honeycomb structures
  • Pre-preg repair
  • Wet lay-up repair
  • Carbon, fiberglass and metal-to-metal bonding
  • Room temperature and hot bonded repairs

We design repairs for composite components

Composite components we have designed repairs for include:

  • Engine inlet cowls
  • Fan cowls
  • Thrust reversers
  • Flying controls
  • Radomes
  • Sharklets/winglets
  • Wing-to-body fairings
  • Pylon panels
  • Access panels and doors
  • Galleys
  • Lavatories
  • Partitions and bulkheads
  • Overhead stowage compartments
  • Passenger cabin floor panels
  • Passenger cabin sidewall and ceiling panels
  • Cargo compartment floor, sidewall, partition and ceiling panels
  • Pilot seats
  • Ducts

Here are some examples of repairs designed by 21jAeroDesign:

A320FAM Radome


The Radome is vulnerable to damage due to its location on the aircraft nose, typically experiencing impact and environmental damage.


21jAeroDesign provides minor repair design approval for damage not covered by the scope of the Airbus CMM and alternative methods of repair for damage in Zone B.


757-200 Cabin Windscreen Panel Repair

737-800 Inboard Spoiler Repair

737-800 Inboard Spoiler Repair