AD 85-06-07

final rule

Airworthiness Directives; ALEXANDER SCHLEICHER Model ASK-21 Gliders

AD Number
85-06-07
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Alexander Schleicher GmbH & Co. ASK 21 Airworthiness Directives; ALEXANDER SCHLEICHER Model ASK-21 Gliders

Unsafe Condition

The main wheel fairing may cause structural damage to the fuselage wheel well box cutout and loosen a rib during a hard landing, leading to aileron control problems.

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

Required Actions

Inspect the wheel box cutout in the fuselage for clearance and modify if necessary in accordance with Actions 1 through 5 of Alexander Schleicher ASK-17 Technical Note No. 17 dated October 1, 1984, or an FAA-approved equivalent.

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

Compliance Time

prior to next flight

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

Affected Aircraft

Alexander Schleicher GmbH & Co. Model ASK 21 Gliders, serial numbers 21194 through 21228

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

Federal Register Abstract

Main Wheel Box

Applicability Source Text

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AD Number:
85-06-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; ALEXANDER SCHLEICHER Model ASK-21 Gliders
Subject:
Main Wheel Box
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/25/1985
Make:
Alexander Schleicher GmbH & Co.
Model:
ASK 21
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Superseded AD: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Superseded By: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: 85-06-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5097

AD NUMBER:   85-06-07

SUBJECT HEADING:   Airworthiness Directives; ALEXANDER SCHLEICHER Model ASK-21 Gliders

ACTION:  

SUMMARY:  

DATES:   Effective July 25, 1985.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
85-06-07 ALEXANDER SCHLEICHER: Amendment 39-5097. Applies to Model ASK-21 Gliders, S/Ns 21194 through 21228, certificated in all categories.

Compliance is required prior to next flight.

To prevent the main wheel fairing from (1) causing structural damage to the fuselage wheel well box cutout and (2) loosening a rib during a hard landing causing aileron control problems, accomplish the following:

Inspect the wheel box cutout in the fuselage for clearance, and modify if necessary, in accordance with Actions 1 through 5 of Alexander Schleicher ASK-21 Technical Note No. 17, dated October 1, 1984, or an FAA-approved equivalent.

Upon request, an equivalent means of compliance with the requirements of this AD may be approved by the Manager, Brussels Aircraft Certification Office, AEU-100, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium, telephone 513.38.30 X27l0.

Alexander Schleicher ASK-21 Technical Note No. 17, dated October 1, 1984, is incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a) (1). All persons affected by this directive who have not already received this document from the manufacturer may obtain copies upon request to Alexander Schleicher, Segelflugzeugbau, D-6416 Poppenhausen, Federal Republic of Germany. This document also may be examined at the Office of the Regional Counsel, Federal Aviation Administration, 12 New England Executive Park, Burlington, Massachusetts 01803, weekdays, except Federal holidays between the hours of 8:00 am. and 4:30 pm.

This amendment becomes effective July 25, 1985, to all persons except those persons to whom it was made immediately effective by Priority Letter AD No. 85-06-07, issued March 26, 1985, which contained this amendment.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_85-06-07.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
85-06-07
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; ALEXANDER SCHLEICHER Model ASK-21 Gliders
Subject:
Main Wheel Box
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/25/1985
Make:
Alexander Schleicher GmbH & Co.
Model:
ASK 21
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: 85-06-07
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5097

AD NUMBER:   85-06-07

SUBJECT HEADING:   Airworthiness Directives; ALEXANDER SCHLEICHER Model ASK-21 Gliders

ACTION:  

SUMMARY:  

DATES:   Effective July 25, 1985.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
85-06-07 ALEXANDER SCHLEICHER: Amendment 39-5097. Applies to Model ASK-21 Gliders, S/Ns 21194 through 21228, certificated in all categories.

Compliance is required prior to next flight.

To prevent the main wheel fairing from (1) causing structural damage to the fuselage wheel well box cutout and (2) loosening a rib during a hard landing causing aileron control problems, accomplish the following:

Inspect the wheel box cutout in the fuselage for clearance, and modify if necessary, in accordance with Actions 1 through 5 of Alexander Schleicher ASK-21 Technical Note No. 17, dated October 1, 1984, or an FAA-approved equivalent.

Upon request, an equivalent means of compliance with the requirements of this AD may be approved by the Manager, Brussels Aircraft Certification Office, AEU-100, Europe, Africa, and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium, telephone 513.38.30 X27l0.

Alexander Schleicher ASK-21 Technical Note No. 17, dated October 1, 1984, is incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a) (1). All persons affected by this directive who have not already received this document from the manufacturer may obtain copies upon request to Alexander Schleicher, Segelflugzeugbau, D-6416 Poppenhausen, Federal Republic of Germany. This document also may be examined at the Office of the Regional Counsel, Federal Aviation Administration, 12 New England Executive Park, Burlington, Massachusetts 01803, weekdays, except Federal holidays between the hours of 8:00 am. and 4:30 pm.

This amendment becomes effective July 25, 1985, to all persons except those persons to whom it was made immediately effective by Priority Letter AD No. 85-06-07, issued March 26, 1985, which contained this amendment.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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