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Corrosion 101: What Causes It?

Here's the lowdown on this natural process affecting metals.

Corrosion comes in all shapes and sizes. [Courtesy: SEAL Aviation]
Gemini Sparkle

Key Takeaways:

  • Aircraft corrosion is a severe and pervasive threat to structural integrity, capable of leading to costly repairs, increased downtime, and catastrophic accidents.
  • Manufacturer recommendations, initially presented as non-mandatory Service Bulletins (SBs) for issues like corrosion, frequently escalate to mandatory Airworthiness Directives (ADs) when problems become widespread and critical, as exemplified by wing spar corrosion in Learjet 45s.
  • Proactive adherence to OEM service documents and diligent inspections are crucial for early detection and mitigation of corrosion, ultimately reducing maintenance costs, preventing major failures, and ensuring the safety of aviation operations.
See a mistake? Contact us.

There has always been plenty of chatter concerning OEM service documents, specifically whether compliance is optional or mandatory.

Are service documents mandatory? No. Are they a good idea to implement? It depends, but for the most part, yes, and you’ll soon discover why.

Richard Scarbrough

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.

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