AD 90-15-08

final rule

Airworthiness Directives; HOFFMANN AIRCRAFT GmbH Model H-36 DIMONA Gliders (all serial numbers)

AD Number
90-15-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-CE-08
FR Citation
This information is not available.
Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

Applicability

TypeManufacturerModelDetails
aircraft Diamond Aircraft Industries GmbH H-36 DIMONA Airworthiness Directives; HOFFMANN AIRCRAFT GmbH Model H-36 DIMONA Gliders (all serial numbers)

Unsafe Condition

Failure of the wing attachments due to discrepancies in the distance between the main bolt heads, bulkhead bushings, and the back face of the main bulkhead in the wing spar tunnel.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Visually inspect and measure the distance between the main bolt heads, bulkhead bushings, and the back face of the main bulkhead in the wing spar tunnel per Service Bulletin 24. Repair discrepancies before further flight if found. Alternate compliance may be approved by the Brussels Aircraft Certification Office.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within the next 50 hours time-in-service after the effective date of this AD, unless already accomplished

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

HOFFMANN AIRCRAFT GmbH Model H-36 DIMONA Gliders (all serial numbers)

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Wing Attachment

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_90-15-08.html
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AD Number:
90-15-08
Document Type:
AD Final Rules
Docket Number:
90-CE-08
Subject Heading:
Airworthiness Directives; HOFFMANN AIRCRAFT GmbH Model H-36 DIMONA Gliders (all serial numbers)
Subject:
Wing Attachment
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/20/1990
Make:
Diamond Aircraft Industries GmbH
Model:
H-36 DIMONA
Product Type:
Aircraft
Product Subtype:
Glider
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 90-15-08
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   90-CE-08

AMENDMENT:   39-6655

AD NUMBER:   90-15-08

SUBJECT HEADING:   Airworthiness Directives; HOFFMANN AIRCRAFT GmbH Model H-36 DIMONA Gliders (all serial numbers)

ACTION:  

SUMMARY:  

DATES:   Effective August 20, 1990.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
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, may be 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.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_90-15-08.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
90-15-08
Document Type:
AD Final Rules
Docket Number:
90-CE-08
Subject Heading:
Airworthiness Directives; HOFFMANN AIRCRAFT GmbH Model H-36 DIMONA Gliders (all serial numbers)
Subject:
Wing Attachment
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/20/1990
Make:
Diamond Aircraft Industries GmbH
Model:
H-36 DIMONA
Product Type:
Aircraft
Product Subtype:
Glider
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 90-15-08
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   90-CE-08

AMENDMENT:   39-6655

AD NUMBER:   90-15-08

SUBJECT HEADING:   Airworthiness Directives; HOFFMANN AIRCRAFT GmbH Model H-36 DIMONA Gliders (all serial numbers)

ACTION:  

SUMMARY:  

DATES:   Effective August 20, 1990.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
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, may be 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.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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