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2019-15-09 BOMBARDIER, INC.: Amendment 39-19702; Docket No. FAA-2019-0120; Product Identifier 2018-NM-167-AD.
(a) EFFECTIVE DATE

    This AD is effective September 19, 2019.

(b) AFFECTED ADS

    None.

(c) APPLICABILITY

    This AD applies to Bombardier, Inc.,  Model DHC-8-400, -401, and  -402
    airplanes, certificated  in any  category, serial  numbers (S/Ns) 4001
    through  4547  inclusive, having  outboard  spoiler actuator  mounting
    brackets with part numbers (P/Ns) 85714052-101 or 85714052-102.

(d) SUBJECT

    Air Transport Association (ATA) of America Code 57, Wings.

(e) REASON

    This  AD  was prompted  by  a report  of  a cracked  outboard  spoiler
    actuator  mounting bracket.  The  FAA  is issuing  this AD  to address
    cracking of  the outboard  spoiler actuator  mounting brackets,  which
    could  cause  inoperability  or  jam of  a  single  spoiler  panel and
    possible jam of the aileron circuit. This condition, if not corrected,
    could adversely affect the continued safe operation and landing of the
    airplane.

(f) COMPLIANCE

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

(g) REPETITIVE INSPECTIONS

    At the applicable time specified in paragraph (g)(1) or (g)(2) of this
    AD: Do a general  visual inspection for cracks  in the left and  right
    outboard spoiler actuator mounting brackets having P/N 85714052-101 or
    85714052-102 (belonging to assemblies  having P/N 85714018-001 or  P/N
    85714018-002, respectively), in accordance  with Section 3.B,  Part A,
    of the Accomplishment Instructions  of Bombardier Service Bulletin  84
    -27-72,  Revision A,  dated November  9, 2017.  Repeat the  inspection
    thereafter at intervals not to exceed 8,000 flight hours.

(1) For  airplanes  having  less  than 12,000 total flight hours as of the
    effective date of this AD:  Prior to the accumulation of  18,000 total
    flight hours.

(2) For  airplanes  having  12,000  total  flight  hours or more as of the
    effective  date  of  this  AD: Within  6,000  flight  hours  after the
    effective date of this AD.

(h) PART REPLACEMENT

(1) If, during any inspection required by paragraph (g) of this AD, either
    the left or right outboard spoiler actuator mounting bracket is  found
    cracked:  Before  further  flight, replace  both  the  left and  right
    brackets with new  bracket assemblies having  P/N 85714018-003 or  P/N
    85714018-004,  including  doing all  applicable  related investigative
    actions and corrective actions,  in accordance with Section  3.B, Part
    B, of the Accomplishment  Instructions of Bombardier Service  Bulletin
    84-27-72,  Revision  A,  dated November  9,  2017;  except, where  the
    service  information  specifies contacting  Bombardier  for corrective
    action,  this  AD requires  accomplishing  the action  using  a method
    approved by the Manager, New York ACO Branch, FAA; or Transport Canada
    Civil  Aviation (TCCA);  or  Bombardier,  Inc.ís TCCA  Design Approval
    Organization (DAO). If approved by the DAO, the approval must  include
    the DAO-authorized signature.

(2) If,  during  any inspection required  by paragraph (g) of this AD,  no
    cracking is  found on  the left  and right  outboard spoiler  actuator
    mounting brackets, and  the left and  right outboard spoiler  actuator
    mounting brackets have not already been replaced per the  requirements
    of  paragraph (h)(1)  of this  AD:  Replace  both the  left and  right
    brackets with new  bracket assemblies having  P/N 85714018-003 or  P/N
    85714018-004,  including  doing all  applicable  related investigative
    actions and corrective  actions, at the  applicable time specified  in
    paragraph  (h)(2)(i)  or (h)(2)(ii)  of  this AD,  in  accordance with
    Section 3.B, Part B, of the Accomplishment Instructions of  Bombardier
    Service Bulletin 84-27-72, Revision A, dated November 9, 2017; except,
    where  the  service information  specifies  contacting Bombardier  for
    corrective action, this AD  requires accomplishing the action  using a
    method approved by the Manager, New York ACO Branch, FAA; or TCCA;  or
    Bombardier, Inc.ís TCCA DAO. If approved by the DAO, the approval must
    include  the  DAO-authorized  signature.  Related  investigative   and
    corrective actions must be done before further flight.

(i) For  airplanes  that  have  accumulated  less than 34,000 total flight
    hours as of the effective date of this AD:Replace the outboard spoiler
    actuator mounting brackets  prior to the airplane  accumulating 40,000
    total flight hours.

(ii) For airplanes that have accumulated 34,000 total flight hours or more
     as of  the effective  date of  this AD:  Replace the outboard spoiler
     actuator  mounting  brackets  within  6,000  flight  hours  after the
     effective date of this AD.

(i) TERMINATING ACTION FOR REPETITIVE INSPECTIONS

    Replacement  of  an  outboard spoiler actuator  mounting  bracket,  in
    accordance  with  the  requirements of  paragraph (h)  of this  AD, is
    terminating  action  for   the  repetitive  inspections   required  by
    paragraph (g) of this AD for the replaced bracket.

(j) CREDIT FOR PREVIOUS ACTIONS

    This paragraph provides credit for the actions required by  paragraphs
    (g) and (h)  of this AD,  if those actions  were performed before  the
    effective date of this AD  using Bombardier Service Bulletin 84-27-72,
    dated January 19, 2017.

(k) OTHER FAA AD PROVISIONS

    The following provisions also apply to this AD:

(1) Alternative Methods of Compliance (AMOCs):  The Manager,  New York ACO
    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 manager of the certification office,  send
    it to ATTN: Program  Manager, Continuing Operational Safety,  FAA, New
    York ACO Branch, 1600 Stewart  Avenue, Suite 410, Westbury, NY  11590;
    telephone 516-228-7300;  fax 516-794-5531.  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,  New York  ACO
    Branch, FAA; or TCCA; or  Bombardier, Inc.ís TCCA DAO. If  approved by
    the DAO, the approval must include the DAOauthorized signature.

(l) RELATED INFORMATION

(1) Refer   to   Mandatory  Continuing  Airworthiness  Information  (MCAI)
    Canadian AD CF-2018-21R1, effective November 1, 2018,  for related in-
    formation.  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-2019-0120.

(2) For  more information  about this AD,  contact  Aziz Ahmed,  Aerospace
    Engineer,  FAA,  New York ACO Branch,  1600 Stewart Avenue, Suite 410,
    Westbury, New York 11590;  telephone: 516-287-7329; fax: 516-794-5531;
    email: Aziz.Ahmed@faa.gov.

(3) Service information  identified in this AD that is not incorporated by
    reference is available at the addresses specified in paragraphs (m)(3)
    and (m)(4) of this AD.

(m) MATERIAL INCORPORATED BY REFERENCE

(1) The Director of the Federal Register  approved  the  incorporation  by
    reference (IBR) of  the service information  listed in this  paragraph
    under 5 U.S.C. 552(a) and 1 CFR part 51.

(2) You must use  this service information as applicable to do the actions
    required by this AD, unless this AD specifies otherwise.

(i) Bombardier Service Bulletin 84-27-72,  Revision A,  dated  November 9,
    2017.

(ii) [Reserved]

(3) For service information  identified  in this AD,  contact  Bombardier,
    Inc.,  Q-Series Technical Help Desk,  123 Garratt Boulevard,  Toronto,
    Ontario M3K 1Y5, Canada;  telephone 416-375-4000; fax 416-375-4539; e-
    mail thd.qseries@aero.bombardier.com;  Internet http://www.bombardier.
    com.

(4) 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.

(5) You  may  view  this  service  information  that  is  incorporated  by
    reference at the National Archives and Records Administration  (NARA).
    For information on the availability of this material at NARA, call 202
    -741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-
    locations.html.

Issued in Des Moines, Washington, on July 30, 2019. Michael Kaszycki, Act-
ing Director, System Oversight Division, Aircraft Certification Service.

FOR FURTHER INFORMATION CONTACT: Aziz Ahmed, Aerospace Engineer,  FAA, New
York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, New York 11590;
telephone: 516-287-7329; fax: 516-794-5531; email: Aziz.Ahmed@faa.gov.
PREAMBLE 

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2019-0120; Product Identifier 2018-NM-167-AD; Amendment
39-19702; AD 2019-15-09]
RIN 2120-AA64

Airworthiness Directives; Bombardier, Inc., Airplanes

AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).

ACTION: Final rule.

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

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for
certain Bombardier, Inc., Model DHC-8-400 series airplanes. This AD was
prompted by a report of a cracked outboard spoiler actuator mounting
bracket. This AD requires repetitive inspections of the outboard
spoiler actuator mounting brackets, replacement of any cracked bracket,
and eventual replacement of all brackets with a re-designed part that
would terminate the repetitive inspections. The FAA is issuing this AD
to address the unsafe condition on these products.

DATES: This AD is effective September 19, 2019.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in this AD as of September
19, 2019.

ADDRESSES: For service information identified in this final rule,
contact Bombardier, Inc., Q-Series Technical Help Desk, 123 Garratt
Boulevard, Toronto, Ontario M3K 1Y5, Canada; telephone 416-375-4000;
fax 416-375-4539; email thd.qseries@aero.bombardier.com; internet
http://www.bombardier.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. It is also available on the internet at http://www.regulations.
gov by searching for and locating Docket No. FAA-2019-0120.

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-2019-
0120; 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 final rule, the regulatory evaluation, any comments received, and
other information. The address for Docket Operations is U.S. Department
of Transportation, Docket Operations, M-30, West Building Ground Floor,
Room W12-140, 1200 New Jersey Avenue SE, Washington, DC 20590.

FOR FURTHER INFORMATION CONTACT: Aziz Ahmed, Aerospace Engineer, FAA,
New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, New York
11590; telephone: 516-287-7329; fax: 516-794-5531; email:
Aziz.Ahmed@faa.gov.

SUPPLEMENTARY INFORMATION:

Discussion

The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 by adding an AD that would apply to certain Bombardier,
Inc., Model DHC-8-400 series airplanes. The NPRM published in the
Federal Register on March 21, 2019 (84 FR 10449). The NPRM was prompted
by a report of a cracked outboard spoiler actuator mounting bracket.
The NPRM proposed to require repetitive inspections of the outboard
spoiler actuator mounting brackets, replacement of any cracked bracket,
and eventual replacement of all brackets with a re-designed part that
would terminate the repetitive inspections.
The FAA is issuing this AD to address cracking of the outboard
spoiler actuator mounting brackets, which could cause inoperability or
jam of a single spoiler panel and possible jam of the aileron circuit.
This condition, if not corrected, could adversely affect the continued
safe operation and landing of the airplane.
Transport Canada Civil Aviation (TCCA), which is the aviation
authority for Canada, has issued Canadian AD CF-2018-21R1, effective November 1,
2018 (referred to after this as the Mandatory Continuing Airworthiness
Information, or ``the MCAI''), to correct an unsafe condition for
certain Bombardier, Inc., Model DHC-8-400 series airplanes. The MCAI
states:

During a scheduled aileron inspection, a crack was found in the
right-hand outboard spoiler bracket of an in-service aircraft. An
investigation concluded that the crack was caused by low load, high
cycle fatigue. A cracked bracket could cause inoperability or jam of
a single spoiler panel and possible jam of the aileron circuit. This
condition, if not corrected, could adversely affect the continued
safe operation and landing of the aeroplane.
The original version of this [Canadian] AD required initial and
repetitive inspections of the outboard spoiler brackets, and
required replacement of any brackets found cracked. It also required
replacement of the brackets with a new design, which terminates the
inspection requirement.
Revision 1 of this [Canadian] AD is issued to correct an error
in the date of Service Bulletin (SB) 84-27-72 Revision A. This
[Canadian] AD also clarifies the part numbers of the outboard
spoiler actuator brackets and their assemblies.

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-2019-
0120.

Comments

The FAA gave the public the opportunity to participate in
developing this final rule. The FAA has considered the comment
received. The Air Line Pilots Association, International (ALPA) agrees
with the intent of the NPRM.

Conclusion

The FAA reviewed the relevant data, considered the comment
received, and determined that air safety and the public interest
require adopting this final rule as proposed, except for minor
editorial changes. The FAA has determined that these minor changes:
Are consistent with the intent that was proposed in the
NPRM for addressing the unsafe condition; and
Do not add any additional burden upon the public than was
already proposed in the NPRM.

Related Service Information Under 1 CFR Part 51

Bombardier has issued Service Bulletin 84-27-72, Revision A, dated
November 9, 2017. This service information describes procedures for
repetitively inspecting the left and right outboard spoiler actuator
mounting brackets for cracks, replacing cracked brackets, eventually
replacing all brackets with re-designed parts, and related
investigative and corrective actions.
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.

Costs of Compliance

The FAA estimates that this AD affects 53 airplanes of U.S.
registry. The FAA estimates the following costs to comply with this AD:

Estimated Costs for Required Actions

Labor cost
Parts cost
Cost per product
Cost on U.S. operators
20 work-hours x $85 per hour = $1,700
$4,142
$5,842
$309,626

The FAA has received no definitive data that would enable the
agency to provide cost estimates for the on-condition actions specified
in this AD.

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.
The FAA is 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 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 and
associated appliances to the Director of the System Oversight Division.

Regulatory Findings

This AD will not have federalism implications under Executive Order
13132. This AD will 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 that this AD:
(1) Is not a ``significant regulatory action'' under Executive
Order 12866,
(2) Will not affect intrastate aviation in Alaska, and
(3) 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.

Adoption of the Amendment

Accordingly, under the authority delegated to me by the
Administrator, the FAA amends 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):