Airworthiness directives › 2016-22-01
AD 2016-22-01 Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders
Applicability*9
This AD applies to the following Schempp-Hirth Flugzeugbau GmbH model and serial number gliders, certificated in any category: (1) Model Discus-2a, serial numbers 1 through 253; (2) Model Discus-2b, serial numbers 1 through 255; (3) Model Discus-2c, serial numbers 1 through 61; (4) Model Discus 2cT, serial numbers 1 through 127; (5) Model Ventus-2a, serial numbers 1 through 178; and (6) Model Ventus-2b, serial numbers 1 through 175.
Compliance
Unless already done, do the following actions in paragraphs (f)(1) and (2) of this AD: (1) Within the next 40 days after December 1, 2016 (the effective date of this AD), inspect the overlap of the airbrake panels for a minimum overlap of at least 3 millimeters following Action 1 in Schempp-Hirth Flugzeugbau GmbH Technische Mitteilung Nr. (English translation: Technical Note No.) 349-39, 360-29, 825-55, 863-22, dated January 29, 2016 (published as a single document); and Action 1 in the associated Arbeitsanweisung (English translation: Working instructions) for Technische Mitteilung Nr. (English translation: Technical Note No.) 349-39, 360-29, 825-55, 863-22, Ausgabe (English translation: Issue) 1, Datum (English translation: Dated) January 22, 2016 (published as a single document). Note 1 to paragraph (f)(1) and (2) of this AD: This service information contains German to English translation. The EASA used the English translation in referencing the document. For enforceability purposes, we will refer to the Schempp-Hirth Flugzeugbau GmbH service information as it appears on the document. (2) If, during the inspection required in paragraph (f)(1) of this AD, the overlap on the airbrake panels is found to be less than 3 millimeters, before further flight, install eccentric bushings and make adjustments following Action 2 in Schempp-Hirth Flugzeugbau GmbH Technische Mitteilung Nr. (English translation: Technical Note No.) 349-39, 360-29, 825-55, 863-22, dated January 29, 2016 (published as a single document); and Action 2 in the associated Arbeitsanweisung (English translation: Working instructions) for Technische Mitteilung Nr. (English translation: Technical Note No.) 349-39, 360-29, 825-55, 863-22, Ausgabe (English translation: Issue) 1, Datum (English translation: Dated) January 22, 2016 (published as a single document). Note 2 to paragraph (f)(2) of this AD: The Schempp-Hirth Flugzeugbau GmbH Technische Mitteilung Nr. (English translation: Technical Note No.) 349-39, 360-29, 825-55, 863-22, dated January 29, 2016 (published as a single document) includes four German language drawings that you may use for additional information, but the drawings are not required to comply with this AD.
Required actions
The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, Standards Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Jim Rutherford, Aerospace Engineer, FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4165; fax: (816) 329-4090; email: jim.rutherford@faa.gov. Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. (2) Airworthy Product: For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service.
Unsafe condition
This AD was prompted by mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as insufficient overlap of the airbrake panels. We are issuing this proposed AD to require actions to address the unsafe condition on these products. We are issuing this AD to prevent interlocking of the airbrake panels, which could lead to blockage of the airbrakes and possible loss of control.
Affected ADs
None.
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