90-15-08 HOFFMANN AIRCRAFT GmbH: Amendment 39-6655. Docket No. 90-CE-08.
Applicability: Model H-36 DIMONA (all serial numbers) gliders, certificated in any category.
Compliance: Required within the next 50 hours time-in-service after the effective date of this AD, unless already accomplished.
To insure the continued structural integrity of the wing attachments, accomplish the following:
(a) Visually inspect and measure the distance between the main bolt heads, the bulkhead bushings, and the back face of the main bulkhead in the wing spar tunnel in accordance with the instructions and criteria specified in Hoffmann Aircraft GmbH Service Bulletin Number 24, dated May 4, 1988. If any discrepancies are noted, prior to further flight repair the discrepancies in accordance with the instructions contained in the above Service Bulletin.
(b) An alternate method of compliance or adjustment of the compliance time which provides an equivalent level of safety, maybe approved by the Manager, Brussels Aircraft Certification Office, FAA, c/o American Embassy, B-1000, Brussels, Belgium.
NOTE: The request should be forwarded through an FAA Maintenance Inspector, who may add comments and then send it to the Manager, Brussels Aircraft Certification Office.
All persons affected by this directive may obtain copies of the documents referred to herein upon request to Hoffmann Aircraft GmbH, Richard-Neutra-Gasse 5, 1210 Wein, Austria; or may examine these documents at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri 64106.
This amendment (39-6655, AD 90-15-08) becomes effective on August 20, 1990.