AD 2022-06-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Diamond | Aircraft Industries GmbH | Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes |
| aircraft | Bell | crank | Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes |
Unsafe Condition
Occurrences were reported of finding cracks and deformation on certain flap bell cranks. Investigation results identified frequent high load conditions as the cause for these events. This condition, if not detected and corrected, could lead to failure of the flap bell crank, possibly resulting in reduced control of the aeroplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the flap bell crank for cracks, install two spacers instead of one long spacer, and replace early revisions of the affected flap bell crank up to and including revision `d' with an improved flap bell crank.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Diamond Aircraft Industries GmbH, Model DA 42, DA 42 M-NG, and DA 42 NG airplanes, serial numbers not specified, with certain flap bell cranks.
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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