AD 2009-07-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Diamond | Aircraft Industries GmbH Model DA 40 and DA 40F | Airworthiness Directives; Diamond Aircraft Industries GmbH Model DA 40 and DA 40F Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Diamond Aircraft Industries GmbH Model DA 40 and DA 40F Airplanes |
Unsafe Condition
Voids in the adhesive joint between the main spar caps and the upper wing skins of certain wings manufactured by Diamond Aircraft Industries Inc. in Canada.
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Required Actions
Inspect the adhesive joint between the wing main spar caps and the upper wing skin for adhesive voids following Diamond Aircraft Industries GmbH Work Instructions WI-MSB-40-060 and WI-MSB-F4-016. Report the results to Diamond Aircraft Industries. Repair any voids exceeding the criteria as specified in the MSB.
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Compliance Time
Within the next 100 hours time-in-service (TIS) after May 11, 2009, or within the next 3 months after May 11, 2009, whichever occurs first.
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Affected Aircraft
Diamond Aircraft Industries GmbH Model DA 40 airplanes, serial numbers 40.377, 40.420, 40.422, 40.644 through 40.693, 40.695 through 40.842, 40.844, 40.846 through 40.887, 40.889 through 40.912, 40.915 through 40.917, 40.919 through 40.929, 40.931, 40.932, 40.934 through 40.940, 40.944 through 40.949, 40.951 through 40.953, 40.955 through 40.957, 40.961, 40.964, and 40.971; and DA 40F airplanes, serial numbers 40.FC007 through 40.FC029.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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