# Proposed AD FAA-2019-0604: Dassault Aviation Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2019-23-18
- Products: Dassault
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: August 13, 2019, 84 FR 39991
- Comments due: September 27, 2019
- Became: [AD 2019-23-18](https://openairdocs.org/ad/2019-23-18)
- Docket: FAA-2019-0604 (https://www.regulations.gov/docket/FAA-2019-0604, where comments are filed)
- FR document: 2019-16608
- Official PDF: https://openairdocs.org/files/sha256/bd/dd/bdddea94c7043871c37e214cba77566ce1bd9c9eb3d72124eaa370d25fe0e4f7 (from https://www.govinfo.gov/content/pkg/FR-2019-08-13/pdf/2019-16608.pdf)
- Federal Register: https://www.federalregister.gov/documents/2019/08/13/2019-16608/airworthiness-directives-dassault-aviation-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DAEAC596E3EB700A862584550051C08C.0001
- Page: https://openairdocs.org/proposed/FAA-2019-0604

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for all Dassault Aviation Model MYSTERE FALCON 50, MYSTERE FALCON 900, and FALCON 900EX airplanes; and Model FALCON 2000 and FALCON 2000EX airplanes. This proposed AD was prompted by a report that the Dassault maintenance planning document (MPD) of the related Dassault aircraft maintenance manual (AMM) states that the ``combined service/storage life'' of the fire extinguisher percussion cartridges is longer than it should be, and could have a safety impact in case of fire. This proposed AD would require replacing the fire extinguisher percussion cartridges with serviceable parts. The FAA is proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Aug 13, 2019: Notice of proposed rulemaking (NPRM). (first notice), FR document 2019-16608, comments due Sep 27, 2019 (https://www.federalregister.gov/documents/2019/08/13/2019-16608/airworthiness-directives-dassault-aviation-airplanes)

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