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Structural Repairs
Count on our specialized skills to repair damage or fabricate new structures.
Thornton Aviation’s sheet metal specialists know that beauty – and safety – are more than skin deep.
Whether repairing damage from bird strikes, weather or other incidents to performing structural modifications for STC and service bulletin compliance, we will keep your aircraft’s structures operating, up-to-date and safe. From airframe repairs to avionics upgrades to wing modifications and everything in between, we can help.
Another Thornton Aviation advantage: your repairs can happen either in our hangar or yours. Because we have teams that are dispatch ready, we can bring our experience, training and tooling to your aircraft, wherever it may be, to perform structural repairs. We can add maintenance, avionics or other needed services to our in-field response, too, to maximize your downtime and make cost-effective use of your time.




Falcon Dry Bay Modification
Falcon 50/900/2000 series aircraft require an FAA- and EASA-mandated wing tank modification to create an additional dry bay area. Per Dassault Falcon Jet, following the rare occurrences of high-speed runway excursions, analysis of the subsequent wing damage has identified that a potential fuel spill can occur on the aircraft. To prevent such a fuel spill, Dassault Falcon Jet issued a Service Bulletin (S/B) to modify the wing design.
Affected Aircraft
Falcon 900EX EASy (S/B 329)
Falcon 900DX (S/B 329)
Falcon 900LX (S/B 329)
Falcon 900EX (S/B 329)
Falcon 900C (S/B 388)
Falcon 900B (S/B 388)
Falcon 900A (S/B 388)
Falcon 2000 (S/B 388)
Falcon 2000EX (S/B 171)
Falcon 2000EX EASy (S/B 171)
Falcon 2000DX (S/B 171)
Falcon 50 (S/B 496)
Scope of Work
Thornton Aviation’s structural repair experts add a sealed boundary from fuel to a small part of the wing near the wheel well, between ribs No. 4 and 5 in front of the rear spar. This results in an increased dry bay area which reduces the risk of a fuel spill. It is recommended that the modification be performed in conjunction with a major C check inspection. The modification requires roughly four weeks to complete.