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Airworthiness Directive

AD 96-02-01 61 FR 1279 Active

Federal Aviation Administration · 14 CFR part 39

Requires replacing all aileron balancing mass screws made of brass with screws made of steel, inspecting all steel screws for tightness, replacing any loose screws, and applying a normal screw thread safety bond.

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FR document
96-481
Amendment
39-9486
Published
1996-01-19
Effective
1996-02-29
Models covered
1

Last live check: 2026-08-19

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AD

96-02-01

FR doc 96-481 · 61 FR 1279

AD 96-02-01Published 1996-01-19Effective 1996-02-29

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires replacing all aileron balancing mass screws made of brass with screws made of steel, inspecting all steel screws for tightness, replacing any loose screws, and applying a normal screw thread safety bond.

Full official abstract

This amendment adopts a new airworthiness directive (AD) that applies to S.N. CentrAir Model 201 (all types) sailplanes. This action requires replacing all aileron balancing mass screws made of brass with screws made of steel, inspecting all steel screws for tightness, replacing any loose screws, and applying a normal screw thread safety bond. Incorrect fastening of the aileron balancing mass found on a Model 201 sailplane in France prompted this action. The actions specified in this AD are intended to prevent aileron failure and flutter caused by incorrect fastening of the aileron mass balance, which, if not detected and corrected, could result in loss of control of the sailplane.

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All Centrair 101/201 directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index