Corrosion comes in all shapes and sizes. [Courtesy: SEAL Aviation]
Key Takeaways:
OEM service documents (like Service Bulletins), while often initially optional, are crucial for identifying and addressing issues such as corrosion, and neglecting them can lead to mandatory Airworthiness Directives (ADs).
Corrosion is a significant threat to aircraft structural integrity and safety, capable of escalating from initial reports to widespread issues requiring costly and mandatory repairs.
The Learjet 45 serves as a prime example, where reports of wing corrosion led to service bulletins, eventually culminating in an FAA Airworthiness Directive due to persistent and widespread problems.
Aircraft corrosion is caused by environmental factors (e.g., humidity, de-icing fluids, poor maintenance) and industrial pollutants, emphasizing the need for diligent inspections and proactive maintenance for safety and cost efficiency.
Richard is a US Navy Veteran, A&P Mechanic, and Embry-Riddle Aeronautical University alumni. His experience ranges from general and corporate aviation to helicopters, business jets, and commercial airliners. Former owner of a 145 repair station, he currently has an aerospace product management role and is a member of the T-C-Alliance. Follow him on X (Twitter) at @RScarCo.