# SAIB CE-07-04: Recurring cracks in the landing gear

- Type: Special airworthiness information bulletin (advisory, not mandatory)
- Status: Current
- Revision: 0
- Issued: October 18, 2006
- Products: Grob-Werke G120A
- Product type: Aircraft, Small Airplane
- PDF: https://openairdocs.org/files/sha256/82/3a/823a0ea9f705f4cfe2c9e92ff87af5edae9661922ac89d9d387b519ad63bb430
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/092EDEB1AFE865C486257259006D6C6D.0001
- DRS record last changed: January 4, 2007
- Page: https://openairdocs.org/saib/CE-07-04

## Text

**SPECIAL AIRWORTHINESS**

**INFORMATION BULLETIN**

Aircraft Certification Service Washington, DC

U.S. Department of Transportation Federal Aviation Administration

CE-07-04 October 18, 2006 http://www.faa.gov/aircraft/safety/alerts/ This is information only. Recommendations aren’t mandatory.

Introduction

This Special Airworthiness Information Bulletin advises you of an alternative method of compliance (AMOC) for Airworthiness Directive (AD) 2005-12-09, which applies to Grob Model G120A airplanes.

Background

Due to recurring cracks in the landing gear, Grob issued service bulletin MSB1121-055 to require inspections of the affected areas.

The Luftfahrt-Bundesamt (LBA), which is the German airworthiness authority, issued German AD AD-2004-514 concerning this issue with subsequent European Aviation Safety Authority (EASA) AD 2004-12065.

Grob revised this service bulletin to MSB1121-055/1, which provides a part of new design that, when installed, could eliminate the need for the recurring inspections called in the original service bulletin and FAA AD 2005-

12-09.

Recommendation

It is recommended that, if possible, you do the modification in Grob Service Bulletin MSB1121-055/1 as terminating action for the repetitive inspections required by AD 2005-

12-09.

The FAA letter that announces this replacement as an AMOC to the repetitive inspection requirement of AD 2005-12-09 is included in the docket and may be found at http://dms.dot.gov/search/searchResultsSimple .cfm. Enter “20589” in the Search block.

For Further Information Contact

Karl Schletzbaum, Project Officer FAA Small Airplane Directorate 901 Locust Street, Room 301 Kansas City, Missouri 64106 Phone: (816) 329-4146 Fax: (816) 329-4090 Email: karl.schletzbaum@faa.gov

Grob-Werke can be contacted at:

Burkhart Grob Luft- und Raumfahrt GmbH & Co. KG (Product Support) Lettenbachstasse 9 D-86874 Tussenhausen-Mattsies Germany Email: productsupport@grob-aerospace.de

## Registered aircraft it may concern (OpenAirDocs)

Registry models matched by make and model, the same way as ADs, most registered aircraft first.

- [Grob-Werke G 120A](https://openairdocs.org/model/grob-werke-g-120a): 4 registered aircraft (airframe model)

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