# AD 87-11-04: Rudder Actuating Arm

- Type: Airworthiness directive
- Status: Current
- Products: Glasflugel Kestrel
- Effective: May 29, 1987
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Glider
- Amendment: 39-5618
- Registered aircraft: 13 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E71B2616A8C2BE0486256A4E00539DB9.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/87-11-04

## The airworthiness directive

87-11-04 GLASFLUGEL: Amendment 39-5618. Applies to Model Kestrel gliders, all serial numbers, certificated in any category.

Compliance is required as indicated unless already accomplished.

To prevent the failure of the rudder actuating arm, P/N 301-45-10, which could result in the glider becoming uncontrollable, accomplish the following:

  (a) Within the next 10 hours time-in-service after the effective date of this AD, unless compliance with paragraph (c) has been accomplished, visually inspect the rudder actuating arm, P/N 301-45-10, using a 10 power or greater magnifying glass, for cracks.

  (b) If a cracked arm is found during the inspection required by paragraph (a) of this AD, before further flight, replace the rudder actuating arm with a serviceable arm, new P/N 301- 45-13, in accordance with the action instructions of Hansjorg Streifeneder Technical Note No. 401-19, dated September 12, 1986.

  (c) Prior to July 31, 1987, replace any rudder actuating arm,not replaced in accordance with paragraph (b) of this AD, with a serviceable rudder actuating arm, new P/N 301- 45-13, in accordance with the action instructions of Hansjorg Streifeneder Technical Note No. 401-19, dated September 12, 1986.

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, Federal Aviation Administration, c/o American Embassy, 15 Rue de la Loi B-1040 Brussels, Belgium; telephone 513.38.30 ext. 2710 or the Manager, New York Aircraft Certification Office, Federal Aviation Administration, New England Region, 181 South Franklin Avenue, Room 202, Valley Stream, New York 11581; telephone 516-791-6680.

Upon submission of substantiating data by an owner or operator through an FAA maintenance inspector, the Manager, Brussels Aircraft Certification Office or the Manager, New York Aircraft Certification Office, may adjust the compliance time specified in this AD.

Hansjorg Streifeneder Technical Note No. 401-19, dated September 12, 1986, identified and described in this document, 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 these documents from the manufacturer may obtain copies upon request to Hansjorg Streifeneder, Glasfaser Flugzeugbau, Hofaner Weg, D-7431 Grabenstetten, Germany; telephone no. (07382) 1032. This document also may be examined at the Office of Regional Counsel, ANE-7, Federal Aviation Administration, New England Region, 12 New England Executive Park, Burlington, Massachusetts 01803, Room 311, Rules Docket 87-ANE-11, between the hours of 8:00 a.m. and 4:30 p.m.; Monday through Friday, except federal holidays.

This amendment, 39-5618, becomes effective on May 29, 1987.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS G20EU](https://openairdocs.org/tcds/G20EU): Glasflugel; names 1 of 1 models: Kestrel

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 13 (13 by airframe model, 0 by engine model)
- Makers: Glasflugel 13

Models with the most aircraft:

- [Glasflugel KESTREL](https://openairdocs.org/model/glasflugel-kestrel): 13 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/87-11-04/models.md
Every aircraft: https://openairdocs.org/ad/87-11-04/aircraft.md

Its text cites no advisory circulars or STCs.

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