Airworthiness directives › 2019-23-18
AD 2019-23-18 Airworthiness Directives; Dassault Aviation Airplanes
Models named: MYSTERE FALCON 50, MYSTERE FALCON 900, FALCON 900EX, FALCON 2000, FALCON 2000EX. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Dassault Aviation Model MYSTERE FALCON 50, MYSTERE FALCON 900, and FALCON 900EX airplanes; and Model FALCON 2000 and FALCON 2000EX airplanes; certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For the purpose of this AD, the definitions specified in paragraphs (g)(1) through (4) apply to this AD. (1) An affected part is a fire extinguisher percussion cartridge having part number (P/N) 862700-00 or P/N 862710-00. (2) Total life is time since the manufacturing date, which includes both the time installed on an airplane and time in storage. (3) A serviceable part is an affected part that has not exceeded 10 years of total life, or a fire extinguisher percussion cartridge that is not an affected part. (4) Group 1 airplanes are those that have an affected part installed. Group 2 airplanes are those that do not have an affected part installed.
Unsafe condition
This AD was prompted by a report that the Dassault maintenance planning document (MPD) of the related Dassault aircraft maintenance manual (AMM) mentions that the “combined service/storage life” of the fire extinguisher percussion cartridges is 12 years, whereas it should be 10 years, and could have a safety impact in case of fire. The FAA is issuing this AD to address the total life limit of the fire extinguisher percussion cartridges, which if not corrected, could prevent extinguishing a fire and possibly result in damage to the airplane and injury to occupants.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1