AD 2013-24-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Diamond | Aircraft Industries GmbH | Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes |
Unsafe Condition
Fatigue strength found in the aft main spar does not ensure unlimited lifetime structural integrity.
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Required Actions
Modify the aft main spar in the cabin area following the instructions in Diamond Aircraft Industries GmbH Work Instructions WI-MSB 40-074, WI-MSB D4-094, and WI-MSB F4-028, dated May 10, 2013.
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Compliance Time
At or before the next Major Structural Inspection (MSI) after the effective date of this AD or within the next 114 months after January 7, 2014, whichever occurs first.
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Affected Aircraft
Diamond Aircraft Industries GmbH Models DA40 and DA40F airplanes, serial numbers 40.006 through 40.009, 40.011 through 40.1071, and 40.1073 through 40.1077 for DA40; and serial numbers 40.FC001 through 40.FC029 for DA40F, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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