AD 85-06-07

Airworthiness directive · Main Wheel Box · Alexander Schleicher ASK 21

Effective
July 25, 1985
Model
ASK 21
Data sheet
TCDSG47EU
Registered aircraft
69 matched by model
Product
Aircraft · Glider
Amendment
39-5097

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

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The airworthiness directive

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.

Affected TCDS · 1

The type certificate data sheets for the models this AD names, matched by model and maker.

Registered aircraft · 69

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • Schleicher43 aircraft
  • Alexander Schleicher26 aircraft
By year built
19822018
Registered aircraft by year built: 53 aircraft
19822
19834
19848
19852
19862
19902
19911
19921
19971
19981
19993
20002
20011
20022
20052
20063
20082
20091
20112
20121
20131
20141
20152
20161
20172
20183

16 with no year recorded

By model

Aircraft

See all 69 aircraft