EASA SIB CE-11-13
Piper PA-34 aeroplanes - Forward Wing Spar Corrosion
Summary
The FAA Special Airworthiness Information Bulletin CE-11-13 is an informational bulletin addressing potential corrosion on the forward wing spar of Piper PA-28, PA-32, and PA-34 aircraft. It highlights corrosion risks at the fuselage attach fitting, landing gear attach point, and behind the leading edge fuel tank, and recommends incorporating Piper Service Bulletin 1006 to mitigate these issues. This bulletin does not mandate regulatory action but serves as guidance for owners and operators of the affected Piper models.
What Changed
This bulletin introduces awareness of corrosion issues on the forward wing spar of Piper PA-28, PA-32, and PA-34 aircraft and recommends the incorporation of Piper Service Bulletin 1006 as a preventive measure. It does not establish new mandatory regulations but provides updated guidance based on service data and previous service bulletins.
Why It Matters
Corrosion on critical wing components can compromise structural integrity and safety. For aviation professionals, including operators and maintenance organizations, understanding and addressing this corrosion risk is essential to maintain airworthiness and prevent costly repairs or unsafe conditions. The bulletin helps prioritize inspections and maintenance actions to mitigate corrosion before it leads to significant damage.
What To Do
Owners and operators of Piper PA-28, PA-32, and PA-34 aircraft should inspect the forward wing spar areas as outlined in Piper Service Bulletin 1006 and take corrective actions if corrosion is found. These inspections and any necessary repairs should be completed within 100 flight hours, especially for aircraft at higher risk due to age or environmental exposure. Any damage discovered should be reported via the FAA Service Difficulty Report system.
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