# Proposed AD FAA-2017-0019: GROB Aircraft AG Gliders

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2017-08-12
- Products: GROB
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: January 18, 2017, 82 FR 5456
- Comments due: March 6, 2017
- Became: [AD 2017-08-12](https://openairdocs.org/ad/2017-08-12)
- Docket: FAA-2017-0019 (https://www.regulations.gov/docket/FAA-2017-0019, where comments are filed)
- Project: 2016-CE-038-AD
- FR document: 2017-00658
- Official PDF: https://openairdocs.org/files/sha256/6c/c2/6cc2b4a4cbc14c2fee95afce1447a246f6959acf527b8974556ba077a76b6124 (from https://www.govinfo.gov/content/pkg/FR-2017-01-18/pdf/2017-00658.pdf)
- Federal Register: https://www.federalregister.gov/documents/2017/01/18/2017-00658/airworthiness-directives-grob-aircraft-ag-gliders
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FD289D1DB7A9F0A7862580AC005E7123.0001
- Page: https://openairdocs.org/proposed/FAA-2017-0019

## Summary

We propose to adopt a new airworthiness directive (AD) for GROB Aircraft AG Models GROB G 109 and GROB G 109B gliders. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as broken pivots of the tail wheel mounting bracket resulting from corrosion and damage due to wear. We are issuing this proposed AD to require actions to address the unsafe condition on these products.

## Notices in this docket

- Jan 18, 2017: Notice of proposed rulemaking (NPRM). (first notice), FR document 2017-00658, comments due Mar 6, 2017 (https://www.federalregister.gov/documents/2017/01/18/2017-00658/airworthiness-directives-grob-aircraft-ag-gliders)

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