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Airworthiness Directive

AD 2026-03-04 91 FR 10746 Active

Federal Aviation Administration · 14 CFR part 39

Requires inspecting the elevator drive fitting to determine the type of lower ball bearing installed, and depending upon the results, replacing the lower ball bearing with a serviceable part.

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FR document
2026-04348
Amendment
39-23253
Published
2026-03-05
Effective
2026-04-09
Models covered
1

Last live check: 2026-08-19

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AD

2026-03-04

FR doc 2026-04348 · 91 FR 10746

AD 2026-03-04Published 2026-03-05Effective 2026-04-09

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 inspecting the elevator drive fitting to determine the type of lower ball bearing installed, and depending upon the results, replacing the lower ball bearing with a serviceable part.

Full official abstract

The FAA is adopting a new airworthiness directive (AD) for certain Schempp-Hirth Flugzeugbau GmbH (Schempp-Hirth) Model STANDARD CIRRUS gliders. This AD was prompted by reports of a broken outer race of the lower ball bearing installed in the all-moving horizontal tailplane drive fitting. This AD requires inspecting the elevator drive fitting to determine the type of lower ball bearing installed, and depending upon the results, replacing the lower ball bearing with a serviceable part. The FAA is issuing this AD to address the unsafe condition on these products.

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  2. AD 2023-17-05 Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders Effective 2023-10-12
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  5. AD 2023-03-10 Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders Effective 2023-02-24

All Schempp-Hirth 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