AD 88-18-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Zlin Aircraft a.s. | Zlin 526L | Airworthiness Directives; Moravan Model ZLIN 526L Series Airplanes |
Unsafe Condition
Cracks in the forward portion of the cabin area tubular structure around the airplane leveling points could lead to structural airframe failure.
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Required Actions
Visually inspect using a 3-power magnifying glass and supplementary lighting for cracks in the cabin tubular structure as per MORAVAN Mandatory Service Bulletin Z526L. Repair cracks before further flight per MORAVAN instructions. Allow equivalent compliance if approved by FAA.
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Compliance Time
within the next 100 hours time-in-service (TIS) after the effective date of this AD and every 100 hours TIS thereafter
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Affected Aircraft
Moravan Model ZLIN 526L (all serial numbers) airplanes certificated in any category
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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