AD 2007-13-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Diamond | Aircraft Industries GmbH Model DA 42 | Airworthiness Directives; Diamond Aircraft Industries GmbH Model DA 42 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Diamond Aircraft Industries GmbH Model DA 42 Airplanes |
Unsafe Condition
The surface roughness of the wing stub safety walks Series 300, gray color (equals sandpaper grid 40), installed during production on some aeroplane S/Ns, adversely affects the aircraft single engine climb performance.
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Required Actions
Exchange the wing stub safety walks for specific serial numbers (S/N 42.004 through 42.035, and 42.037) following Diamond Aircraft Industries GmbH Mandatory Service Bulletin No. MSB-42-006/1. Insert Diamond Aircraft Airplane Flight Manual Temporary Revision Performance Data DA 42 AFM TR-MÄM-42-111/a, Revision 3 to the AFM, or any future revision incorporating the same information, for all affected serial numbers. Prohibit the installation of wing stub safety walks Series 300 (equals sandpaper grid 40), gray color, part number D60-1127-10-51 as spare parts on the Model DA 42 airplane. Only approved safety walks with a surface roughness equal to or finer than sandpaper grid 100 are allowed as spare parts.
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Compliance Time
Within 60 days after August 10, 2007
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Affected Aircraft
Diamond Aircraft Industries GmbH Model DA 42 airplanes, serial numbers (S/N) 42.004 and up, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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