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Airworthiness Directive

AD 2004-25-17 69 FR 75225 Active

Federal Aviation Administration · 14 CFR part 39

Requires you to do a repetitive, non-destructive magnetic test (NDMT) inspection on the elevator rocker lever (part number A 730 201 N) for cracks.

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FR document
04-27284
Amendment
39-13905
Published
2004-12-16
Effective
2005-01-28
Models covered
1

Last live check: 2026-08-19

Printed from https://aircraftdirectives.com/ad/2004-25-17 · AircraftDirectives restates official FAA and manufacturer records; the official sources named on this sheet control. Not an airworthiness determination.

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AD

2004-25-17

FR doc 04-27284 · 69 FR 75225

AD 2004-25-17Published 2004-12-16Effective 2005-01-28

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 you to do a repetitive, non-destructive magnetic test (NDMT) inspection on the elevator rocker lever (part number A 730 201 N) for cracks.

Full official abstract

The FAA adopts a new airworthiness directive (AD) for certain LETECKÉ ZÁVODY Model L 23 SUPER--BLANIK sailplanes. This AD requires you to do a repetitive, non-destructive magnetic test (NDMT) inspection on the elevator rocker lever (part number A 730 201 N) for cracks. If cracks are found, this AD also requires you to return the part to the manufacturer. The manufacturer will send you a replacement part for installation. Installing the improved replacement part terminates the need for the repetitive inspections. This AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for the Czech Republic. We are issuing this AD to prevent failure of the elevator rocker lever caused by cracks that resulted from a defect in prior manufacturing procedures. Such failure could lead to loss of control of the sailplane.

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All LET L-13 / L-23 Blanik 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