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PROPOSED AD DASSAULT AVIATION: Docket No. FAA-2018-0642; Product Identifier 2018-NM-087-AD.
(a) COMMENTS DUE DATE

    We must receive comments by September 24, 2018.

(b) AFFECTED ADS

    None.

(c) APPLICABILITY

    This AD applies  to  all  Dassault Aviation Model Falcon 10 airplanes,
    certificated in any category.

(d) SUBJECT

    Air  Transport  Association (ATA)  of  America Code  05,  Time Limits/
    Maintenance Checks.

(e) REASON

    This  AD  was  prompted  by  a  determination  that  more  restrictive
    maintenance requirements and airworthiness limitations are  necessary.
    We  are  issuing  this  AD to  address,  among  other  things, fatigue
    cracking and  damage in  principal structural  elements; such  fatigue
    cracking and damage  could result in  reduced structural integrity  of
    the airplane.

(f) COMPLIANCE

    Comply  with this  AD within  the compliance  times specified,  unless
    already done.

(g) MAINTENANCE OR INSPECTION PROGRAM REVISION

    Within  90  days after  the  effective date  of  this AD,  revise  the
    maintenance  or  inspection  program,  as  applicable,  to incorporate
    Falcon 10 Maintenance Manual, Airworthiness Limitations, Chapter  5-40
    -00, Revision  13, dated  July 2017.  The initial  compliance time for
    accomplishing  the  actions is  at  the applicable  time  specified in
    Falcon 10 Maintenance Manual, Airworthiness Limitations, Chapter  5-40
    -00,  Revision  13, dated  July  2017; or  within  90 days  after  the
    effective date of this AD; whichever occurs later.

(h) NO ALTERNATIVE ACTIONS OR INTERVALS

    After  the  maintenance  or inspection  program  has  been revised  as
    required by paragraph  (g) of this  AD, no alternative  actions (e.g.,
    inspections) or intervals may be used unless the actions or  intervals
    are  approved  as  an  alternative  method  of  compliance  (AMOC)  in
    accordance with the procedures  specified in paragraph (i)(1)  of this
    AD.

(i) OTHER FAA AD PROVISIONS

    The following provisions also apply to this AD:

(1) Alternative Methods of Compliance (AMOCs):  The Manager, International
    Section, Transport Standards Branch, FAA, has the authority to approve
    AMOCs for this AD, if requested  using the procedures found in 14  CFR
    39.19. In  accordance with  14 CFR  39.19, send  your request  to your
    principal  inspector  or  local Flight  Standards District  Office, as
    appropriate.  If  sending information  directly  to the  International
    Section,  send  it  to  the  attention  of  the  person  identified in
    paragraph (j)(2) of this AD. Information may be emailed to:  9-ANM-116
    -AMOC-REQUESTS@faa.gov. Before  using any  approved AMOC,  notify your
    appropriate principal inspector, or lacking a principal inspector, the
    manager  of  the local  flight  standards district  office/certificate
    holding district office.

(2) Contacting the Manufacturer:  For any requirement in this AD to obtain
    corrective  actions   from  a   manufacturer,  the   action  must   be
    accomplished using  a method  approved by  the Manager,  International
    Section, Transport  Standards Branch,  FAA; or  the European  Aviation
    Safety Agency (EASA); or Dassault Aviation's EASA Design  Organization
    Approval (DOA). If approved by the DOA, the approval must include  the
    DOA-authorized signature.

(j) RELATED INFORMATION

(1) Refer to Mandatory Continuing Airworthiness Information (MCAI) EASA AD
    2018-0078, dated April 9, 2018, for related information. This MCAI may
    be found in the AD docket on the internet  at  http://www.regulations.
    gov by searching for and locating Docket No. FAA-2018-0642.

(2) For more information about this AD,  contact Tom Rodriguez,  Aerospace
    Engineer, International Section, Transport Standards Branch, FAA, 2200
    South 216th St., Des Moines, WA 98198; telephone and fax 206-231-3226.

(3) For service information identified in this AD, contact Dassault Falcon
    Jet Corporation, Teterboro Airport,  PO Box 2000, South Hackensack, NJ
    07606; telephone 201-440-6700; internet http://www.dassaultfalcon.com.
    You may view this service information at the FAA,  Transport Standards
    Branch, 2200 South 216th St.,  Des Moines, WA.  For information on the
    availability of this material at the FAA, call 206-231-3195.

Issued in  Des Moines,  Washington,  on  July 24, 2018.  James Cashdollar,
Acting  Director,  System   Oversight  Division,  Aircraft   Certification
Service.

DATES: We must receive comments on this proposed AD by September 24, 2018.
PREAMBLE 

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2018-0642; Product Identifier 2018-NM-087-AD]
RIN 2120-AA64

Airworthiness Directives; Dassault Aviation Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

-----------------------------------------------------------------------

SUMMARY: We propose to adopt a new airworthiness directive (AD) for all
Dassault Aviation Model Falcon 10 airplanes. This proposed AD was
prompted by a determination that more restrictive maintenance
requirements and airworthiness limitations are necessary. This proposed
AD would require revising the maintenance or inspection program, as
applicable, to incorporate new or more restrictive maintenance
requirements and airworthiness limitations. We are proposing this AD to
address the unsafe condition on these products.

DATES: We must receive comments on this proposed AD by September 24, 2018.

ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:

Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the
instructions for submitting comments.

Fax: 202-493-2251.

Mail: U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New
Jersey Avenue SE, Washington, DC 20590.

Hand Delivery: Deliver to Mail address above between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays.

For service information identified in this NPRM, contact Dassault
Falcon Jet Corporation, Teterboro Airport, P.O. Box 2000, South
Hackensack, NJ 07606; telephone 201-440-6700; internet http://www.
dassaultfalcon.com. You may view this service information at the
FAA, Transport Standards Branch, 2200 South 216th St., Des Moines, WA.
For information on the availability of this material at the FAA, call
206-231-3195.

Examining the AD Docket

You may examine the AD docket on the internet at http://www.regulations.
gov by searching for and locating Docket No. FAA-2018-
0642; or in person at Docket Operations between 9 a.m. and 5 p.m.,
Monday through Friday, except Federal holidays. The AD docket contains
this NPRM, the regulatory evaluation, any comments received, and other
information. The street address for Docket Operations (phone: 800-647-
5527) is in the ADDRESSES section. Comments will be available in the AD
docket shortly after receipt.

FOR FURTHER INFORMATION CONTACT: Tom Rodriguez, Aerospace Engineer,
International Section, Transport Standards Branch, FAA, 2200 South
216th St., Des Moines, WA 98198; telephone and fax 206-231-3226.

SUPPLEMENTARY INFORMATION:

Comments Invited

We invite you to send any written relevant data, views, or
arguments about this proposal. Send your comments to an address listed
under the ADDRESSES section. Include "Docket No. FAA-2018-0642;
Product Identifier 2018-NM-087-AD" at the beginning of your comments.
We specifically invite comments on the overall regulatory, economic,
environmental, and energy aspects of this NPRM. We will consider all
comments received by the closing date and may amend this NPRM because
of those comments.

We will post all comments we receive, without change, to http://www.
regulations.gov, including any personal information you provide. We
will also post a report summarizing each substantive verbal contact we
receive about this NPRM.

Discussion

The European Aviation Safety Agency (EASA), which is the Technical
Agent for the Member States of the European Union, has issued EASA AD
2018-0078, dated April 9, 2018 (referred to after this as the Mandatory
Continuing Airworthiness Information, or "the MCAI"), to correct an
unsafe condition for all Dassault Aviation Model Falcon 10 airplanes.
The MCAI states:

The airworthiness limitations and certification maintenance
instructions for the Dassault Falcon 10 aeroplanes, which are
approved by EASA, are currently defined and published in the
Dassault Falcon 10 [Airplane Maintenance Manual] AMM, Chapter 5-40.
These instructions have been identified as mandatory for continued
airworthiness.

Failure to accomplish these instructions could result in an
unsafe condition [fatigue cracking and damage in principal
structural elements, which could result in reduced structural
integrity of the airplane.]

Previously, EASA issued AD 2008-0221 to require accomplishment
of the maintenance tasks, and implementation of the airworthiness
limitations, as specified in the Dassault Falcon 10 AMM, Chapter 5-
40, at Revision 8.

Since that [EASA] AD was issued, Dassault issued the
[Airworthiness Limitations Section] ALS, which introduces new and
more restrictive maintenance requirements and/or airworthiness
limitations.

For the reason described above, this [EASA] AD takes over the
requirements for Falcon 10 aeroplanes from EASA AD 2008-0221, and
requires accomplishment of the actions specified in the ALS.

You may examine the MCAI in the AD docket on the internet at http://
www.regulations.gov by searching for and locating Docket No. FAA-2018-
0642.

Related Service Information Under 1 CFR Part 51

Dassault has issued Falcon 10 Maintenance Manual, Airworthiness
Limitations, Chapter 5-40-00, Revision 13, dated July 2017. This
service information describes repetitive mandatory maintenance tasks.
This service information is reasonably available because the interested
parties have access to it through their normal course of business or by
the means identified in the ADDRESSES section.

FAA's Determination

This product has been approved by the aviation authority of another
country, and is approved for operation in the United States. Pursuant
to our bilateral agreement with the State of Design Authority, we have
been notified of the unsafe condition described in the MCAI and service
information referenced above. We are proposing this AD because we
evaluated all the relevant information and determined the unsafe
condition described previously is likely to exist or develop on other
products of the same type design.

Proposed Requirements of This NPRM

This proposed AD would require accomplishing the actions specified
in the service information described previously, except as discussed
under "Differences Between this Proposed AD and the MCAI or Service
Information."

This AD requires revisions to certain operator maintenance
documents to include new actions (e.g., inspections). Compliance with
these actions is required by 14 CFR 91.403(c). For airplanes that have
been previously modified, altered, or repaired in the areas addressed
by this proposed AD, the operator may not be able to accomplish the
actions described in the revisions. In this situation, to comply with
14 CFR 91.403(c), the operator must request approval for an alternative
method of compliance according to paragraph (i)(1) of this proposed AD.
The request should include a description of changes to the required
actions that will ensure the continued damage tolerance of the affected
structure.

Difference Between This Proposed AD and the MCAI or Service Information

The MCAI specifies that if there are findings from the
airworthiness limitations section (ALS) inspection tasks, corrective
actions must be accomplished in accordance with Dassault maintenance
documentation. However, this proposed AD does not include that
requirement. Operators of U.S.-registered airplanes are required by
general airworthiness and operational regulations to perform
maintenance using methods that are acceptable to the FAA. We consider
those methods to be adequate to address any corrective actions
necessitated by the findings of ALS inspections required by this
proposed AD.

Costs of Compliance


We estimate that this proposed AD affects 60 airplanes of U.S.
registry. We estimate the following costs to comply with this proposed
AD:

We have determined that revising the maintenance or inspection
program takes an average of 90 work-hours per operator, although we
recognize that this number may vary from operator to operator. In the
past, we have estimated that this action takes 1 work-hour per
airplane. Since operators incorporate maintenance or inspection program
changes for their affected fleet(s), we have determined that a per-
operator estimate is more accurate than a per-airplane estimate.
Therefore, we estimate the total cost per operator to be $7,650 (90
work-hours x $85 per work-hour).

Authority for This Rulemaking

Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, section 106, describes the
authority of the FAA Administrator. Subtitle VII: Aviation Programs,
describes in more detail the scope of the Agency's authority.

We are issuing this rulemaking under the authority described in
Subtitle VII, Part A, Subpart III, Section 44701: "General
requirements." Under that section, Congress charges the FAA with
promoting safe flight of civil aircraft in air commerce by prescribing
regulations for practices, methods, and procedures the Administrator
finds necessary for safety in air commerce. This regulation is within
the scope of that authority because it addresses an unsafe condition
that is likely to exist or develop on products identified in this
rulemaking action.

This proposed AD is issued in accordance with authority delegated
by the Executive Director, Aircraft Certification Service, as
authorized by FAA Order 8000.51C. In accordance with that order,
issuance of ADs is normally a function of the Compliance and
Airworthiness Division, but during this transition period, the
Executive Director has delegated the authority to issue ADs applicable
to transport category airplanes to the Director of the System Oversight
Division.

Regulatory Findings

We determined that this proposed AD would not have federalism
implications under Executive Order 13132. This proposed AD would not
have a substantial direct effect on the States, on the relationship
between the national Government and the States, or on the distribution
of power and responsibilities among the various levels of government.

For the reasons discussed above, I certify this proposed
regulation:

1. Is not a "significant regulatory action" under Executive Order
12866;

2. Is not a "significant rule" under the DOT Regulatory Policies
and Procedures (44 FR 11034, February 26, 1979);

3. Will not affect intrastate aviation in Alaska; and

4. Will not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.

List of Subjects in 14 CFR Part 39

Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.

The Proposed Amendment

Accordingly, under the authority delegated to me by the
Administrator, the FAA proposes to amend 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES


1. The authority citation for part 39 continues to read as follows:

Authority: 49 U.S.C. 106(g), 40113, 44701.

Sec. 39.13 [Amended]


2. The FAA amends Sec. 39.13 by adding the following new airworthiness
directive (AD):