Airworthiness Directives; Bombardier, Inc., Airplanes, 11180-11184 [2021-03588]
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11180
§ 39.13
Federal Register / Vol. 86, No. 35 / Wednesday, February 24, 2021 / Proposed Rules
[Amended]
2. The FAA amends § 39.13 by adding
the following new airworthiness
directive (AD):
■
Airbus Canada Limited Partnership (Type
Certificate Previously Held by C Series
Aircraft Limited Partnership (CSALP);
Bombardier, Inc.): Docket No. FAA–
2021–0019; Project Identifier MCAI–
2020–01388–T.
(a) Comments Due Date
The FAA must receive comments by April
12, 2021.
(b) Affected ADs
None.
(c) Applicability
This AD applies to Airbus Canada Limited
Partnership Model BD–500–1A10 and BD–
500–1A11 airplanes, certificated in any
category, as identified in Canadian AD CF–
2020–36, dated October 8, 2020 (TCCA AD
CF–2020–36).
(d) Subject
Air Transport Association (ATA) of
America Code 27, Flight control system.
(e) Reason
This AD was prompted by reports of
deficiencies in the primary flight control
computer (PFCC) and remote electronics unit
(REU) software. The FAA is issuing this AD
to address software deficiencies that, if not
corrected, could impact flight control
functions, which could prevent continued
safe flight and landing.
(f) Compliance
Comply with this AD within the
compliance times specified, unless already
done.
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(g) Requirements
Except as specified in paragraph (h) of this
AD: Comply with all required actions and
compliance times specified in, and in
accordance with, TCCA AD CF–2020–36. The
pre-requisites specified in the service
information referenced in TCCA AD CF–
2020–36 must be met prior to accomplishing
the required actions.
(h) Exception and Clarification of TCCA AD
CF–2020–36
(1) Where TCCA AD CF–2020–36 refers to
its effective date, this AD requires using the
effective date of this AD.
(2) The compliance time for the actions
required by paragraph (g) of this AD is the
earliest of the times specified in paragraphs
(h)(2)(i) through (iii) of this AD.
(i) Prior to the accumulation of 12,000 total
flight hours.
(ii) Within 56 months after the effective
date of this AD.
(iii) Within 9,350 flight hours after the
effective date of this AD.
(i) Other FAA AD Provisions
The following provisions also apply to this
AD:
(1) Alternative Methods of Compliance
(AMOCs): The Manager, New York ACO
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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
responsible Flight Standards 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
responsible Flight Standards Office.
(2) Contacting the Manufacturer: For any
requirement in this AD to obtain instructions
from a manufacturer, the instructions must
be accomplished using a method approved
by the Manager, New York ACO Branch,
FAA; or Transport Canada Civil Aviation
(TCCA); or Airbus Canada Limited
Partnership’s TCCA Design Approval
Organization (DAO). If approved by the DAO,
the approval must include the DAOauthorized signature.
Notice of proposed rulemaking
(NPRM).
ACTION:
DEPARTMENT OF TRANSPORTATION
The FAA proposes to adopt a
new airworthiness directive (AD) for all
Bombardier, Inc., Model BD–700–1A10
and BD–700–1A11 airplanes. This
proposed AD was prompted by reports
indicating that the left- and right-hand
elevator torque tube bearings were
contaminated with sand and corrosion,
restricting free rotation. This proposed
AD would require repetitive general
visual inspections of the left- and righthand elevator torque tube bearings for
any sand, dust, or corrosion; repetitive
functional tests of the elevator control
system; and replacement of the elevator
torque tube bearings if necessary. The
FAA is proposing this AD to address the
unsafe condition on these products.
DATES: The FAA must receive comments
on this proposed AD by April 12, 2021.
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
https://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 Bombardier, Inc.,
200 Coˆte-Vertu Road West, Dorval,
Que´bec H4S 2A3, Canada; North
America toll-free telephone 1–866–538–
1247 or direct-dial telephone 1–514–
855–2999; email ac.yul@
aero.bombardier.com; internet https://
www.bombardier.com. You may view
this service information at the FAA,
Airworthiness Products Section,
Operational Safety Branch, 2200 South
216th St., Des Moines, WA. For
information on the availability of this
material at the FAA, call 206–231–3195.
Federal Aviation Administration
Examining the AD Docket
(j) Related Information
(1) For TCCA AD CF–2020–36, contact
Transport Canada National Aircraft
Certification, 159 Cleopatra Drive, Nepean,
Ontario, K1A 0N5 CANADA; phone 888–
663–3639; email AD-CN@tc.gc.ca; internet
https://tc.canada.ca/en/aviation. You may
view this material at the FAA, Airworthiness
Products Section, Operational Safety Branch,
2200 South 216th St., Des Moines, WA. For
information on the availability of this
material at the FAA, call 206–231–3195. This
material may be found in the AD docket on
the internet at https://www.regulations.gov
by searching for and locating Docket No.
FAA–2021–0019.
(2) For more information about this AD,
contact Thomas Niczky, Aerospace Engineer,
Avionics and Electrical Systems Section,
FAA, New York ACO Branch, 1600 Stewart
Avenue, Suite 410, Westbury, NY 11590;
telephone 516–228–7347; fax 516–794–5531;
email 9-avs-nyaco-cos@faa.gov.
Issued on January 28, 2021.
Lance T. Gant,
Director, Compliance & Airworthiness
Division, Aircraft Certification Service.
[FR Doc. 2021–03602 Filed 2–23–21; 8:45 am]
BILLING CODE 4910–13–P
14 CFR Part 39
[Docket No. FAA–2021–0093; Project
Identifier MCAI–2020–01213–T]
RIN 2120–AA64
Airworthiness Directives; Bombardier,
Inc., Airplanes
Federal Aviation
Administration (FAA), DOT.
AGENCY:
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SUMMARY:
You may examine the AD docket on
the internet at https://
www.regulations.gov by searching for
and locating Docket No. FAA–2021–
0093; 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, any
comments received, and other
information. The street address for
Docket Operations is listed above.
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Federal Register / Vol. 86, No. 35 / Wednesday, February 24, 2021 / Proposed Rules
FOR FURTHER INFORMATION CONTACT:
Siddeeq Bacchus, Aerospace Engineer,
Mechanical Systems and Administrative
Services Section, FAA, New York ACO
Branch, 1600 Stewart Avenue, Suite
410, Westbury, NY 11590; telephone
516–228–7362; fax 516–794–5531; email
9-avs-nyaco-cos@faa.gov.
SUPPLEMENTARY INFORMATION:
Comments Invited
The FAA invites you to send any
written relevant data, views, or
arguments about this proposal. Send
your comments to an address listed
under ADDRESSES. Include ‘‘Docket No.
FAA–2021–0093; Project Identifier
MCAI–2020–01213–T’’ at the beginning
of your comments. The most helpful
comments reference a specific portion of
the proposal, explain the reason for any
recommended change, and include
supporting data. The FAA will consider
all comments received by the closing
date and may amend the proposal
because of those comments.
Except for Confidential Business
Information (CBI) as described in the
following paragraph, and other
information as described in 14 CFR
11.35, the FAA will post all comments
received, without change, to https://
www.regulations.gov, including any
personal information you provide. The
agency will also post a report
summarizing each substantive verbal
contact received about this proposed
AD.
Confidential Business Information
CBI is commercial or financial
information that is both customarily and
actually treated as private by its owner.
Under the Freedom of Information Act
(FOIA) (5 U.S.C. 552), CBI is exempt
from public disclosure. If your
comments responsive to this NPRM
contain commercial or financial
information that is customarily treated
as private, that you actually treat as
private, and that is relevant or
responsive to this NPRM, it is important
that you clearly designate the submitted
comments as CBI. Please mark each
page of your submission containing CBI
as ‘‘PROPIN.’’ The FAA will treat such
marked submissions as confidential
under the FOIA, and they will not be
placed in the public docket of this
NPRM. Submissions containing CBI
should be sent to Siddeeq Bacchus,
Aerospace Engineer, Mechanical
Systems and Administrative Services
Section, FAA, New York ACO Branch,
1600 Stewart Avenue, Suite 410,
Westbury, NY 11590; telephone 516–
228–7362; fax 516–794–5531; email 9avs-nyaco-cos@faa.gov. Any
commentary that the FAA receives
which is not specifically designated as
CBI will be placed in the public docket
for this rulemaking.
Background
Transport Canada Civil Aviation
(TCCA), which is the aviation authority
for Canada, has issued TCCA AD CF–
2020–29, dated August 21, 2020
(referred to after this as the Mandatory
Continuing Airworthiness Information,
or the MCAI), to correct an unsafe
condition for all Bombardier, Inc.,
Model BD–700–1A10 and BD–700–
1A11 airplanes. You may examine the
MCAI in the AD docket on the internet
at https://www.regulations.gov by
searching for and locating Docket No.
FAA–2021–0093.
This proposed AD was prompted by
reports indicating that the left- and
right-hand elevator torque tube bearings
were contaminated with sand and
corrosion, restricting free rotation. The
FAA is proposing this AD to address
sand contamination and corrosion of the
elevator torque tube bearings, which
could lead to binding or seizure of the
bearings, and potentially lead to a
reduction in or loss of airplane pitch
control. See the MCAI for additional
background information.
Related Service Information Under 1
CFR Part 51
Bombardier has issued the following
service information.
• Bombardier Service Bulletin 700–
1A11–27–041, Revision 1, dated
December 7, 2020.
• Bombardier Service Bulletin 700–
27–083, Revision 1, dated December 7,
2020.
• Bombardier Service Bulletin 700–
27–5012, Revision 1, dated December 7,
2020.
11181
• Bombardier Service Bulletin 700–
27–5503, Revision 1, dated December 7,
2020.
• Bombardier Service Bulletin 700–
27–6012, Revision 1, dated December 7,
2020.
• Bombardier Service Bulletin 700–
27–6503, Revision 1, dated December 7,
2020.
This service information describes
procedures for repetitive general visual
inspections of the left- and right-hand
elevator torque tube bearings for any
sand, dust, or corrosion; repetitive
functional tests of the elevator control
system; and corrective actions including
replacement of the elevator torque tube
bearings if necessary. These documents
are distinct since they apply to different
airplane models and serial numbers.
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 the
FAA’s bilateral agreement with the State
of Design Authority, the FAA has been
notified of the unsafe condition
described in the MCAI and service
information referenced above. The FAA
is proposing this AD because the FAA
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. This proposed AD also
would require sending the inspection
results to Bombardier.
Costs of Compliance
The FAA estimates that this proposed
AD affects 392 airplanes of U.S. registry.
The FAA estimates the following costs
to comply with this proposed AD:
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ESTIMATED COSTS FOR REQUIRED ACTIONS *
Labor cost
Parts cost
Cost per product
22 work-hours × $85 per hour = $1,870 ..........
Up to $4 (for four cotter pins) ** ......................
Up to $1,874 ..............
* Table does not include estimated costs for reporting.
** Parts cost include replacement parts where necessary.
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Cost on U.S.
operators
Up to $734,608.
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Federal Register / Vol. 86, No. 35 / Wednesday, February 24, 2021 / Proposed Rules
The FAA estimates that it would take
about 1 work-hour per product to
comply with the proposed reporting
requirement in this proposed AD. The
average labor rate is $85 per hour. Based
on these figures, the FAA estimates the
cost of reporting the inspection results
on U.S. operators to be $33,320, or $85
per product.
The FAA estimates the following
costs to do any necessary on-condition
action that would be required based on
the results of any required actions. The
FAA has no way of determining the
number of aircraft that might need this
on-condition action:
ESTIMATED COSTS OF ON-CONDITION ACTIONS
Labor cost
Parts cost
5 work-hours × $85 per hour = $425 ...........................................................................
$271 (for four bearings) ............................
$696
Bombardier, Inc.: Docket No. FAA–2021–
0093; Project Identifier MCAI–2020–
01213–T.
According to the manufacturer, some
or all of the costs of this proposed AD
may be covered under warranty, thereby
reducing the cost impact on affected
operators. The FAA does not control
warranty coverage for affected operators.
As a result, the FAA has included all
known costs in the cost estimate.
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.
Paperwork Reduction Act
Regulatory Findings
A federal agency may not conduct or
sponsor, and a person is not required to
respond to, nor shall a person be subject
to penalty for failure to comply with a
collection of information subject to the
requirements of the Paperwork
Reduction Act unless that collection of
information displays a current valid
OMB control number. The control
number for the collection of information
required by this proposed AD is 2120–
0056. The paperwork cost associated
with this proposed AD has been
detailed in the Costs of Compliance
section of this document and includes
time for reviewing instructions, as well
as completing and reviewing the
collection of information. Therefore, all
reporting associated with this proposed
AD is mandatory. Comments concerning
the accuracy of this burden and
suggestions for reducing the burden
should be directed to Information
Collection Clearance Officer, Federal
Aviation Administration, 10101
Hillwood Parkway, Fort Worth, TX
76177–1524.
The FAA 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) Would not affect intrastate
aviation in Alaska, and
(3) Would not have a significant
economic impact, positive or negative,
on a substantial number of small entities
under the criteria of the Regulatory
Flexibility Act.
(c) Applicability
List of Subjects in 14 CFR Part 39
Comply with this AD within the
compliance times specified, unless already
done.
Authority for This Rulemaking
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Cost per
product
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
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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.
[Amended]
2. The FAA amends § 39.13 by adding
the following new airworthiness
directive:
■
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The FAA must receive comments by April
12, 2021.
(b) Affected Airworthiness Directives (ADs)
None.
Air transportation, Aircraft, Aviation
safety, Incorporation by reference,
Safety.
§ 39.13
(a) Comments Due Date
Sfmt 4702
This AD applies to all Bombardier, Inc.,
Model BD–700–1A10 and BD–700–1A11
airplanes, certificated in any category.
(d) Subject
Air Transport Association (ATA) of
America Code 27, Flight controls.
(e) Reason
This AD was prompted by reports
indicating that the left- and right-hand
elevator torque tube bearings were
contaminated with sand and corrosion,
restricting free rotation. The FAA is issuing
this AD to address sand contamination and
corrosion of the elevator torque tube
bearings, which could lead to binding or
seizure of the bearings, and potentially lead
to a reduction in or loss of airplane pitch
control.
(f) Compliance
(g) Inspection and Corrective Actions
Within 36 months from the effective date
of this AD or within 63 months from the date
of airplane manufacture, as identified on the
identification plate of the airplane,
whichever occurs later: Do a general visual
inspection of the left- and right-hand elevator
torque tube bearings for any sand, dust, or
corrosion; perform a functional test of the
elevator control system; and do all applicable
corrective actions; in accordance with the
Accomplishment Instructions of paragraphs
2.B., 2.C., and 2.D. of the applicable service
information specified in figure 1 to paragraph
(g) of this AD. Applicable corrective actions
must be done before further flight. Repeat the
general visual inspection and functional test
thereafter at intervals not to exceed 63
months.
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Federal Register / Vol. 86, No. 35 / Wednesday, February 24, 2021 / Proposed Rules
At the applicable time specified in
paragraph (h)(1) or (2) of this AD, submit a
report of all findings, positive and negative,
of each of the first three inspections required
by paragraph (g) of this AD. Submit the
report to Bombardier, in accordance with the
details specified in the applicable service
information specified in figure 1 to paragraph
(g) of this AD.
(1) If the inspection was done on or after
the effective date of this AD: Submit the
report within 30 days after the inspection.
(2) If the inspection was done before the
effective date of this AD: Submit the report
within 30 days after the effective date of this
AD.
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(i) Credit for Previous Actions
This paragraph provides credit for actions
required by paragraph (g) of this AD, if those
actions were performed before the effective
date of this AD using the applicable service
information in paragraphs (i)(1) through (6).
(1) Bombardier Service Bulletin 700–
1A11–27–041, dated July 23, 2020.
(2) Bombardier Service Bulletin 700–27–
083, dated July 23, 2020.
(3) Bombardier Service Bulletin 700–27–
5012, dated July 23, 2020.
(4) Bombardier Service Bulletin 700–27–
5503, dated July 23, 2020.
(5) Bombardier Service Bulletin 700–27–
6012, dated July 23, 2020.
(6) Bombardier Service Bulletin 700–27–
6503, dated July 23, 2020.
(j) Other FAA AD Provisions
The following provisions also apply to this
AD:
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(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
responsible Flight Standards 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
responsible Flight Standards Office.
(2) Contacting the Manufacturer: For any
requirement in this AD to obtain instructions
from a manufacturer, the instructions must
be accomplished using a method approved
by the Manager, New York ACO Branch,
FAA; or Transport Canada Civil Aviation
(TCCA); or Bombardier Inc.’s TCCA Design
Approval Organization (DAO). If approved by
the DAO, the approval must include the
DAO-authorized signature.
(3) Reporting Requirements: A federal
agency may not conduct or sponsor, and a
person is not required to respond to, nor
shall a person be subject to a penalty for
failure to comply with a collection of
information subject to the requirements of
the Paperwork Reduction Act unless that
collection of information displays a current
valid OMB Control Number. The OMB
Control Number for this information
collection is 2120–0056. Public reporting for
this collection of information is estimated to
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be approximately 1 hour per response,
including the time for reviewing instructions,
searching existing data sources, gathering
and maintaining the data needed, and
completing and reviewing the collection of
information. All responses to this collection
of information are mandatory as required by
this AD. Send comments regarding this
burden estimate or any other aspect of this
collection of information, including
suggestions for reducing this burden to
Information Collection Clearance Officer,
Federal Aviation Administration, 10101
Hillwood Parkway, Fort Worth, TX 76177–
1524.
(k) Related Information
(1) Refer to Mandatory Continuing
Airworthiness Information (MCAI) TCCA AD
CF–2020–29, dated August 21, 2020, for
related information. This MCAI may be
found in the AD docket on the internet at
https://www.regulations.gov by searching for
and locating Docket No. FAA–2021–0093.
(2) For more information about this AD,
contact Siddeeq Bacchus, Aerospace
Engineer, Mechanical Systems and
Administrative Services Section, FAA, New
York ACO Branch, 1600 Stewart Avenue,
Suite 410, Westbury, NY 11590; telephone
516–228–7362; fax 516–794–5531; email 9avs-nyaco-cos@faa.gov.
(3) For service information identified in
this AD, contact Bombardier, Inc., 200 CoˆteVertu Road West, Dorval, Que´bec H4S 2A3,
Canada; North America toll-free telephone 1–
866–538–1247 or direct-dial telephone 1–
514–855–2999; email ac.yul@
aero.bombardier.com; internet https://
www.bombardier.com. You may view this
service information at the FAA,
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EP24FE21.002</GPH>
(h) Reporting Requirement
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Federal Register / Vol. 86, No. 35 / Wednesday, February 24, 2021 / Proposed Rules
Airworthiness Products Section, Operational
Safety Branch, 2200 South 216th St., Des
Moines, WA. For information on the
availability of this material at the FAA, call
206–231–3195.
Issued on February 9, 2021.
Lance T. Gant,
Director, Compliance & Airworthiness
Division, Aircraft Certification Service.
[FR Doc. 2021–03588 Filed 2–23–21; 8:45 am]
BILLING CODE 4910–13–P
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA–2021–0023; Project
Identifier MCAI–2020–01407–T]
Examining the AD Docket
RIN 2120–AA64
Airworthiness Directives; Saab AB,
Support and Services (Formerly
Known as Saab AB, Saab Aeronautics)
Airplanes
Federal Aviation
Administration (FAA), DOT.
ACTION: Notice of proposed rulemaking
(NPRM).
AGENCY:
The FAA proposes to adopt a
new airworthiness directive (AD) for all
Saab AB, Support and Services Model
SAAB 2000 airplanes. This proposed
AD was prompted by a report indicating
that the left-hand main landing gear
(MLG) collapsed after touchdown,
causing severe damage to the airplane.
This proposed AD would require
modifying the MLG hydraulic transfer
valve, as specified in a European Union
Aviation Safety Agency (EASA) AD,
which is proposed for incorporation by
reference. The FAA is proposing this
AD to address the unsafe condition on
these products.
DATES: The FAA must receive comments
on this proposed AD by April 12, 2021.
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
https://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 material that will be incorporated
by reference (IBR) in this AD, contact
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SUMMARY:
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the EASA, Konrad-Adenauer-Ufer 3,
50668 Cologne, Germany; telephone +49
221 8999 000; email ADs@
easa.europa.eu; internet
www.easa.europa.eu. You may find this
IBR material on the EASA website at
https://ad.easa.europa.eu. You may
view this IBR material at the FAA,
Airworthiness Products Section,
Operational Safety 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 in the AD docket on
the internet at https://
www.regulations.gov by searching for
and locating Docket No. FAA–2021–
0023.
You may examine the AD docket on
the internet at https://
www.regulations.gov by searching for
and locating Docket No. FAA–2021–
0023; 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, any
comments received, and other
information. The street address for
Docket Operations is listed above.
FOR FURTHER INFORMATION CONTACT:
Shahram Daneshmandi, Aerospace
Engineer, Large Aircraft Section,
International Validation Branch, FAA,
2200 South 216th St., Des Moines, WA
98198; telephone and fax 206–231–
3220; email Shahram.Daneshmandi@
faa.gov.
SUPPLEMENTARY INFORMATION:
Comments Invited
The FAA invites you to send any
written relevant data, views, or
arguments about this proposal. Send
your comments to an address listed
under ADDRESSES. Include ‘‘Docket No.
FAA–2021–0023; Project Identifier
MCAI–2020–01407–T’’ at the beginning
of your comments. The most helpful
comments reference a specific portion of
the proposal, explain the reason for any
recommended change, and include
supporting data. The FAA will consider
all comments received by the closing
date and may amend the proposal
because of those comments.
Except for Confidential Business
Information (CBI) as described in the
following paragraph, and other
information as described in 14 CFR
11.35, the FAA will post all comments
received, without change, to https://
www.regulations.gov, including any
personal information you provide. The
agency will also post a report
summarizing each substantive verbal
PO 00000
Frm 00029
Fmt 4702
Sfmt 4702
contact received about this proposed
AD.
Confidential Business Information
CBI is commercial or financial
information that is both customarily and
actually treated as private by its owner.
Under the Freedom of Information Act
(FOIA) (5 U.S.C. 552), CBI is exempt
from public disclosure. If your
comments responsive to this NPRM
contain commercial or financial
information that is customarily treated
as private, that you actually treat as
private, and that is relevant or
responsive to this NPRM, it is important
that you clearly designate the submitted
comments as CBI. Please mark each
page of your submission containing CBI
as ‘‘PROPIN.’’ The FAA will treat such
marked submissions as confidential
under the FOIA, and they will not be
placed in the public docket of this
NPRM. Submissions containing CBI
should be sent to Shahram
Daneshmandi, Aerospace Engineer,
Large Aircraft Section, International
Validation Branch, FAA, 2200 South
216th St., Des Moines, WA 98198;
telephone and fax 206–231–3220; email
Shahram.Daneshmandi@faa.gov. Any
commentary that the FAA receives
which is not specifically designated as
CBI will be placed in the public docket
for this rulemaking.
Background
The EASA, which is the Technical
Agent for the Member States of the
European Union, has issued EASA AD
2020–0233, dated October 14, 2020
(EASA AD 2020–0233) (also referred to
as the Mandatory Continuing
Airworthiness Information, or the
MCAI), to correct an unsafe condition
for all Saab AB, Support and Services
Model SAAB 2000 airplanes.
This proposed AD was prompted by
a report indicating that the left-hand
MLG collapsed after touchdown,
causing severe damage to the airplane.
The FAA is proposing this AD to
address abnormal behavior of the MLG
hydraulic transfer valve due to a
restriction in hydraulic flow, which
could cause the MLG hydraulic transfer
valve to not function properly and fail
to retract, extend, or lock the MLG, and
possibly result in MLG collapse
following landing and consequent
damage to the airplane and injury to
occupants. See the MCAI for additional
background information.
Related Service Information Under 1
CFR Part 51
EASA AD 2020–0233 describes
procedures for modifying the MLG
hydraulic transfer valve. This
E:\FR\FM\24FEP1.SGM
24FEP1
]]>Agencies
[Federal Register Volume 86, Number 35 (Wednesday, February 24, 2021)]
[Proposed Rules]
[Pages 11180-11184]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2021-03588]
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2021-0093; Project Identifier MCAI-2020-01213-T]
RIN 2120-AA64
Airworthiness Directives; Bombardier, Inc., Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Notice of proposed rulemaking (NPRM).
-----------------------------------------------------------------------
SUMMARY: The FAA proposes to adopt a new airworthiness directive (AD)
for all Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes.
This proposed AD was prompted by reports indicating that the left- and
right-hand elevator torque tube bearings were contaminated with sand
and corrosion, restricting free rotation. This proposed AD would
require repetitive general visual inspections of the left- and right-
hand elevator torque tube bearings for any sand, dust, or corrosion;
repetitive functional tests of the elevator control system; and
replacement of the elevator torque tube bearings if necessary. The FAA
is proposing this AD to address the unsafe condition on these products.
DATES: The FAA must receive comments on this proposed AD by April 12,
2021.
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 https://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
Bombardier, Inc., 200 C[ocirc]te-Vertu Road West, Dorval, Qu[eacute]bec
H4S 2A3, Canada; North America toll-free telephone 1-866-538-1247 or
direct-dial telephone 1-514-855-2999; email [email protected];
internet https://www.bombardier.com. You may view this service
information at the FAA, Airworthiness Products Section, Operational
Safety 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 https://www.regulations.gov by searching for and locating Docket No. FAA-2021-
0093; 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, any comments received, and other information. The street
address for Docket Operations is listed above.
[[Page 11181]]
FOR FURTHER INFORMATION CONTACT: Siddeeq Bacchus, Aerospace Engineer,
Mechanical Systems and Administrative Services Section, FAA, New York
ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590;
telephone 516-228-7362; fax 516-794-5531; email [email protected].
SUPPLEMENTARY INFORMATION:
Comments Invited
The FAA invites you to send any written relevant data, views, or
arguments about this proposal. Send your comments to an address listed
under ADDRESSES. Include ``Docket No. FAA-2021-0093; Project Identifier
MCAI-2020-01213-T'' at the beginning of your comments. The most helpful
comments reference a specific portion of the proposal, explain the
reason for any recommended change, and include supporting data. The FAA
will consider all comments received by the closing date and may amend
the proposal because of those comments.
Except for Confidential Business Information (CBI) as described in
the following paragraph, and other information as described in 14 CFR
11.35, the FAA will post all comments received, without change, to
https://www.regulations.gov, including any personal information you
provide. The agency will also post a report summarizing each
substantive verbal contact received about this proposed AD.
Confidential Business Information
CBI is commercial or financial information that is both customarily
and actually treated as private by its owner. Under the Freedom of
Information Act (FOIA) (5 U.S.C. 552), CBI is exempt from public
disclosure. If your comments responsive to this NPRM contain commercial
or financial information that is customarily treated as private, that
you actually treat as private, and that is relevant or responsive to
this NPRM, it is important that you clearly designate the submitted
comments as CBI. Please mark each page of your submission containing
CBI as ``PROPIN.'' The FAA will treat such marked submissions as
confidential under the FOIA, and they will not be placed in the public
docket of this NPRM. Submissions containing CBI should be sent to
Siddeeq Bacchus, Aerospace Engineer, Mechanical Systems and
Administrative Services Section, FAA, New York ACO Branch, 1600 Stewart
Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7362; fax 516-
794-5531; email [email protected]. Any commentary that the FAA
receives which is not specifically designated as CBI will be placed in
the public docket for this rulemaking.
Background
Transport Canada Civil Aviation (TCCA), which is the aviation
authority for Canada, has issued TCCA AD CF-2020-29, dated August 21,
2020 (referred to after this as the Mandatory Continuing Airworthiness
Information, or the MCAI), to correct an unsafe condition for all
Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes. You may
examine the MCAI in the AD docket on the internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2021-
0093.
This proposed AD was prompted by reports indicating that the left-
and right-hand elevator torque tube bearings were contaminated with
sand and corrosion, restricting free rotation. The FAA is proposing
this AD to address sand contamination and corrosion of the elevator
torque tube bearings, which could lead to binding or seizure of the
bearings, and potentially lead to a reduction in or loss of airplane
pitch control. See the MCAI for additional background information.
Related Service Information Under 1 CFR Part 51
Bombardier has issued the following service information.
Bombardier Service Bulletin 700-1A11-27-041, Revision 1,
dated December 7, 2020.
Bombardier Service Bulletin 700-27-083, Revision 1, dated
December 7, 2020.
Bombardier Service Bulletin 700-27-5012, Revision 1, dated
December 7, 2020.
Bombardier Service Bulletin 700-27-5503, Revision 1, dated
December 7, 2020.
Bombardier Service Bulletin 700-27-6012, Revision 1, dated
December 7, 2020.
Bombardier Service Bulletin 700-27-6503, Revision 1, dated
December 7, 2020.
This service information describes procedures for repetitive
general visual inspections of the left- and right-hand elevator torque
tube bearings for any sand, dust, or corrosion; repetitive functional
tests of the elevator control system; and corrective actions including
replacement of the elevator torque tube bearings if necessary. These
documents are distinct since they apply to different airplane models
and serial numbers.
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 the FAA's bilateral agreement with the State of Design Authority,
the FAA has been notified of the unsafe condition described in the MCAI
and service information referenced above. The FAA is proposing this AD
because the FAA 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. This proposed AD also
would require sending the inspection results to Bombardier.
Costs of Compliance
The FAA estimates that this proposed AD affects 392 airplanes of
U.S. registry. The FAA estimates the following costs to comply with
this proposed AD:
Estimated Costs for Required Actions *
----------------------------------------------------------------------------------------------------------------
Labor cost Parts cost Cost per product Cost on U.S. operators
----------------------------------------------------------------------------------------------------------------
22 work-hours x $85 per hour = Up to $4 (for four cotter Up to $1,874.......... Up to $734,608.
$1,870. pins) **.
----------------------------------------------------------------------------------------------------------------
* Table does not include estimated costs for reporting.
** Parts cost include replacement parts where necessary.
[[Page 11182]]
The FAA estimates that it would take about 1 work-hour per product
to comply with the proposed reporting requirement in this proposed AD.
The average labor rate is $85 per hour. Based on these figures, the FAA
estimates the cost of reporting the inspection results on U.S.
operators to be $33,320, or $85 per product.
The FAA estimates the following costs to do any necessary on-
condition action that would be required based on the results of any
required actions. The FAA has no way of determining the number of
aircraft that might need this on-condition action:
Estimated Costs of On-Condition Actions
------------------------------------------------------------------------
Cost per
Labor cost Parts cost product
------------------------------------------------------------------------
5 work-hours x $85 per hour = $425 $271 (for four $696
bearings).
------------------------------------------------------------------------
According to the manufacturer, some or all of the costs of this
proposed AD may be covered under warranty, thereby reducing the cost
impact on affected operators. The FAA does not control warranty
coverage for affected operators. As a result, the FAA has included all
known costs in the cost estimate.
Paperwork Reduction Act
A federal agency may not conduct or sponsor, and a person is not
required to respond to, nor shall a person be subject to penalty for
failure to comply with a collection of information subject to the
requirements of the Paperwork Reduction Act unless that collection of
information displays a current valid OMB control number. The control
number for the collection of information required by this proposed AD
is 2120-0056. The paperwork cost associated with this proposed AD has
been detailed in the Costs of Compliance section of this document and
includes time for reviewing instructions, as well as completing and
reviewing the collection of information. Therefore, all reporting
associated with this proposed AD is mandatory. Comments concerning the
accuracy of this burden and suggestions for reducing the burden should
be directed to Information Collection Clearance Officer, Federal
Aviation Administration, 10101 Hillwood Parkway, Fort Worth, TX 76177-
1524.
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.
Regulatory Findings
The FAA 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) Would not affect intrastate aviation in Alaska, and
(3) Would 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
0
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]
0
2. The FAA amends Sec. 39.13 by adding the following new airworthiness
directive:
Bombardier, Inc.: Docket No. FAA-2021-0093; Project Identifier MCAI-
2020-01213-T.
(a) Comments Due Date
The FAA must receive comments by April 12, 2021.
(b) Affected Airworthiness Directives (ADs)
None.
(c) Applicability
This AD applies to all Bombardier, Inc., Model BD-700-1A10 and
BD-700-1A11 airplanes, certificated in any category.
(d) Subject
Air Transport Association (ATA) of America Code 27, Flight
controls.
(e) Reason
This AD was prompted by reports indicating that the left- and
right-hand elevator torque tube bearings were contaminated with sand
and corrosion, restricting free rotation. The FAA is issuing this AD
to address sand contamination and corrosion of the elevator torque
tube bearings, which could lead to binding or seizure of the
bearings, and potentially lead to a reduction in or loss of airplane
pitch control.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Inspection and Corrective Actions
Within 36 months from the effective date of this AD or within 63
months from the date of airplane manufacture, as identified on the
identification plate of the airplane, whichever occurs later: Do a
general visual inspection of the left- and right-hand elevator
torque tube bearings for any sand, dust, or corrosion; perform a
functional test of the elevator control system; and do all
applicable corrective actions; in accordance with the Accomplishment
Instructions of paragraphs 2.B., 2.C., and 2.D. of the applicable
service information specified in figure 1 to paragraph (g) of this
AD. Applicable corrective actions must be done before further
flight. Repeat the general visual inspection and functional test
thereafter at intervals not to exceed 63 months.
[[Page 11183]]
[GRAPHIC] [TIFF OMITTED] TP24FE21.002
(h) Reporting Requirement
At the applicable time specified in paragraph (h)(1) or (2) of
this AD, submit a report of all findings, positive and negative, of
each of the first three inspections required by paragraph (g) of
this AD. Submit the report to Bombardier, in accordance with the
details specified in the applicable service information specified in
figure 1 to paragraph (g) of this AD.
(1) If the inspection was done on or after the effective date of
this AD: Submit the report within 30 days after the inspection.
(2) If the inspection was done before the effective date of this
AD: Submit the report within 30 days after the effective date of
this AD.
(i) Credit for Previous Actions
This paragraph provides credit for actions required by paragraph
(g) of this AD, if those actions were performed before the effective
date of this AD using the applicable service information in
paragraphs (i)(1) through (6).
(1) Bombardier Service Bulletin 700-1A11-27-041, dated July 23,
2020.
(2) Bombardier Service Bulletin 700-27-083, dated July 23, 2020.
(3) Bombardier Service Bulletin 700-27-5012, dated July 23,
2020.
(4) Bombardier Service Bulletin 700-27-5503, dated July 23,
2020.
(5) Bombardier Service Bulletin 700-27-6012, dated July 23,
2020.
(6) Bombardier Service Bulletin 700-27-6503, dated July 23,
2020.
(j) 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 responsible Flight Standards 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
responsible Flight Standards Office.
(2) Contacting the Manufacturer: For any requirement in this AD
to obtain instructions from a manufacturer, the instructions must be
accomplished using a method approved by the Manager, New York ACO
Branch, FAA; or Transport Canada Civil Aviation (TCCA); or
Bombardier Inc.'s TCCA Design Approval Organization (DAO). If
approved by the DAO, the approval must include the DAO-authorized
signature.
(3) Reporting Requirements: A federal agency may not conduct or
sponsor, and a person is not required to respond to, nor shall a
person be subject to a penalty for failure to comply with a
collection of information subject to the requirements of the
Paperwork Reduction Act unless that collection of information
displays a current valid OMB Control Number. The OMB Control Number
for this information collection is 2120-0056. Public reporting for
this collection of information is estimated to be approximately 1
hour per response, including the time for reviewing instructions,
searching existing data sources, gathering and maintaining the data
needed, and completing and reviewing the collection of information.
All responses to this collection of information are mandatory as
required by this AD. Send comments regarding this burden estimate or
any other aspect of this collection of information, including
suggestions for reducing this burden to Information Collection
Clearance Officer, Federal Aviation Administration, 10101 Hillwood
Parkway, Fort Worth, TX 76177-1524.
(k) Related Information
(1) Refer to Mandatory Continuing Airworthiness Information
(MCAI) TCCA AD CF-2020-29, dated August 21, 2020, for related
information. This MCAI may be found in the AD docket on the internet
at https://www.regulations.gov by searching for and locating Docket
No. FAA-2021-0093.
(2) For more information about this AD, contact Siddeeq Bacchus,
Aerospace Engineer, Mechanical Systems and Administrative Services
Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410,
Westbury, NY 11590; telephone 516-228-7362; fax 516-794-5531; email
[email protected].
(3) For service information identified in this AD, contact
Bombardier, Inc., 200 C[ocirc]te-Vertu Road West, Dorval,
Qu[eacute]bec H4S 2A3, Canada; North America toll-free telephone 1-
866-538-1247 or direct-dial telephone 1-514-855-2999; email
[email protected]; internet https://www.bombardier.com. You
may view this service information at the FAA,
[[Page 11184]]
Airworthiness Products Section, Operational Safety Branch, 2200
South 216th St., Des Moines, WA. For information on the availability
of this material at the FAA, call 206-231-3195.
Issued on February 9, 2021.
Lance T. Gant,
Director, Compliance & Airworthiness Division, Aircraft Certification
Service.
[FR Doc. 2021-03588 Filed 2-23-21; 8:45 am]
BILLING CODE 4910-13-P
