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Wed, Dec 02, 2009

AD: DG Flugzeugbau

AD NUMBER: 2009-24-16

MANUFACTURER: DG Flugzeugbau GmbH Models DG-500MB, DG-808C and DG-800B Gliders
SUBJECT: Airworthiness Directive 2009-24-16

SUMMARY: This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

Zinc-coated starter ring gears installed on Solo 2625 01 and 2625 02 engines have shown to be prone to cracking. For that reason, AD 2009-0169-E has been published in July 2009.
From that date, collected in-service data have been revealed that painted starter ring gears with lightening holes are also subject to cracks. The reason for these cracks is still unknown at the present time.

FMI: http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/0/6E539A3F198E59658625767F004DE423?OpenDocument

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