# Proposed AD FAA-2009-0791: Dassault Model Falcon 2000 and Falcon 2000EX Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2010-10-24
- Products: Dassault
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: September 24, 2009, 74 FR 48668
- Comments due: October 26, 2009
- Became: [AD 2010-10-24](https://openairdocs.org/ad/2010-10-24)
- Docket: FAA-2009-0791 (https://www.regulations.gov/docket/FAA-2009-0791, where comments are filed)
- Project: 2008-NM-213-AD
- FR document: E9-23095
- Official PDF: https://openairdocs.org/files/sha256/33/1e/331ea2f31dd5092140f8621a582ba7fd2184ea47c1d0b5ec9edb7184356e1aa6 (from https://www.govinfo.gov/content/pkg/FR-2009-09-24/pdf/E9-23095.pdf)
- Federal Register: https://www.federalregister.gov/documents/2009/09/24/E9-23095/airworthiness-directives-dassault-model-falcon-2000-and-falcon-2000ex-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F48C385F1580B7C88625763B0050FFA8.0001
- Page: https://openairdocs.org/proposed/FAA-2009-0791

## Summary

We propose to adopt a new airworthiness directive (AD) for the products listed above. 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:

During the overhaul of a Main Landing Gear (MLG) of a Falcon 2000, the sleeve on the hydraulic flow restrictor in the shock absorber was found displaced, because of the rupture of its three retaining screws. * * * Failure of the retaining screws has been determined to be the final phase of a slow unscrewing process under normal operational conditions. The unsafe condition only exists once the three screws have failed. * * * * *

The unsafe condition is failure of three retaining screws of the MLG shock absorber which could result in collapse of the landing gear during ground maneuvers or landing. The proposed AD would require actionsthat are intended to address the unsafe condition described in the MCAI.

## Notices in this docket

- Sep 24, 2009: Notice of proposed rulemaking (NPRM). (first notice), FR document E9-23095, comments due Oct 26, 2009 (https://www.federalregister.gov/documents/2009/09/24/E9-23095/airworthiness-directives-dassault-model-falcon-2000-and-falcon-2000ex-airplanes)

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