Airworthiness Directives; Bombardier, Inc., Airplanes, 41605-41608 [2019-17506]

Download as PDF Federal Register / Vol. 84, No. 158 / Thursday, August 15, 2019 / Rules and Regulations specified in paragraph (h)(2)(i) or (h)(2)(ii) of this AD. (i) If the inspection was done on or after the effective date of this AD: Submit the report within 3 days after the inspection. (ii) If the inspection was done before the effective date of this AD: Submit the report within 3 days after the effective date of this AD. (3) Boeing Alert Requirements Bulletin 737–27A1311 RB, dated June 24, 2019, specifies to ship affected parts to Boeing within a certain compliance time if, during the inspection, it has been determined that any main slat track assembly has a suspect lot number or has a lot number that cannot be determined. For this AD, the compliance time for shipping affected parts to Boeing is at the applicable time specified in paragraph (h)(3)(i) or (h)(3)(ii) of this AD. (i) If the inspection was done on or after the effective date of this AD: Ship the affected part to Boeing within 30 days after removing the affected part. (ii) If the inspection was done before the effective date of this AD: Ship the affected part to Boeing within 30 days after the effective date of this AD. jspears on DSK3GMQ082PROD with RULES (i) Paperwork Reduction Act Burden Statement 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, completing and reviewing the collection of information. All responses to this collection of information are mandatory. Comments concerning the accuracy of this burden and suggestions for reducing the burden should be directed to the FAA at: 800 Independence Ave. SW, Washington, DC 20591, Attn: Information Collection Clearance Officer, AES–200. (j) Alternative Methods of Compliance (AMOCs) (1) The Manager, Seattle 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 the attention of the person identified in paragraph (k) of this AD. Information may be emailed to: 9-ANMSeattle-ACO-AMOC-Requests@faa.gov. (2) 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. (3) An AMOC that provides an acceptable level of safety may be used for any repair, modification, or alteration required by this VerDate Sep<11>2014 15:51 Aug 14, 2019 Jkt 247001 AD if it is approved by The Boeing Company Organization Designation Authorization (ODA) that has been authorized by the Manager, Seattle ACO Branch, FAA, to make those findings. To be approved, the repair method, modification deviation, or alteration deviation must meet the certification basis of the airplane, and the approval must specifically refer to this AD. DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2019–0186; Product Identifier 2018–NM–153–AD; Amendment 39–19694; AD 2019–15–01] RIN 2120–AA64 (k) Related Information For more information about this AD, contact Greg Rutar, Aerospace Engineer, Airframe Section, FAA, Seattle ACO Branch, 2200 South 216th St., Des Moines, WA 98198; phone and fax: 206–231–3529; email: Greg.Rutar@faa.gov. (l) 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 the AD specifies otherwise. (i) Boeing Alert Requirements Bulletin 737–27A1311 RB, dated June 24, 2019. (ii) [Reserved] (3) For service information identified in this AD, contact Boeing Commercial Airplanes, Attention: Contractual & Data Services (C&DS), 2600 Westminster Blvd., MC 110–SK57, Seal Beach, CA 90740–5600; telephone 562–797–1717; internet https:// www.myboeingfleet.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: https:// www.archives.gov/federal-register/cfr/ibrlocations.html. Issued in Des Moines, Washington, on July 23, 2019. Michael Kaszycki, Acting Director, System Oversight Division, Aircraft Certification Service. [FR Doc. 2019–17508 Filed 8–14–19; 8:45 am] BILLING CODE 4910–13–P PO 00000 41605 Airworthiness Directives; Bombardier, Inc., Airplanes Federal Aviation Administration (FAA), Department of Transportation (DOT). ACTION: Final rule. AGENCY: The FAA is adopting a new airworthiness directive (AD) for all Bombardier, Inc., Model CL–600–2B16 (601–3A, 601–3R, and 604 Variants) airplanes. This AD was prompted by a report that main landing gear (MLG) side stay actuators have been assembled using nonconforming split ball bearings. This AD requires verification of the serial numbers of the installed MLG side stay actuator assemblies, and replacement of the affected parts. 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 certain publications listed in this AD as of September 19, 2019. ADDRESSES: For service information identified in this final rule, contact Bombardier, Inc., 400 Coˆte-Vertu Road West, Dorval, Que´bec H4S 1Y9, Canada; Widebody Customer Response Center North America toll-free telephone 1– 866–538–1247 or direct-dial telephone 1–514–855–2999; fax 514–855–7401; email ac.yul@aero.bombardier.com; internet https://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 https:// www.regulations.gov by searching for and locating Docket No. FAA–2019– 0186. SUMMARY: 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–2019– 0186; 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, Frm 00011 Fmt 4700 Sfmt 4700 E:\FR\FM\15AUR1.SGM 15AUR1 41606 Federal Register / Vol. 84, No. 158 / Thursday, August 15, 2019 / Rules and Regulations 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: Darren Gassetto, Aerospace Engineer, Mechanical Systems and Administrative Services Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516–228–7323; fax 516–794–5531; email 9-avs-nyaco-cos@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 all Bombardier, Inc., Model CL–600–2B16 (601–3A, 601–3R, and 604 Variants) airplanes. The NPRM published in the Federal Register on May 14, 2019 (84 FR 21273). The NPRM was prompted by a report that MLG side stay actuators have been assembled using nonconforming split ball bearings. The NPRM proposed to require verification of the serial numbers of the installed MLG side stay actuator assemblies, and replacement of the affected parts. The FAA is issuing this AD to address the affected bearings, which could potentially result in asymmetric MLG gear extension or retraction, and subsequent gear collapse during landing. In the NPRM, the FAA referred to Canadian AD CF–2018–26, dated October 5, 2018. However, since the NPRM was issued, Transport Canada Civil Aviation (TCCA), the civil aviation authority for Canada, issued Canadian AD CF–2018–26R1, dated May 22, 2019 (referred to after this as the Mandatory Continuing Airworthiness Information, or ‘‘the MCAI’’), to correct an unsafe condition for certain Bombardier, Inc., Model CL–600–2B16 (601–3A, 601–3R, and 604 Variants) airplanes. The MCAI states: The landing gear supplier has informed Bombardier Inc. about a quality escape involving Main Landing Gear (MLG) side stay actuators that have been assembled using non-conforming split ball bearings. The affected bearings are manufactured from material that does not meet the required material properties. If not corrected, this condition can result in potentially asymmetric MLG gear extension or retraction and subsequent gear collapse during landing. The original version of this [Canadian] AD mandated . . . verification of the installed MLG side stay actuator assemblies and replacement of the affected parts. Revision 1 of this [Canadian] AD is issued to add a reference to Table 2 in the applicable Service Bulletins (SBs) that list affected serial numbers for P/N 19011–105. The FAA has determined that the revised MCAI has no effect on airplanes on which the actions identified in the NPRM were completed. The FAA has revised paragraph (l)(1) of this AD to refer to Canadian AD CF–2018–26R1, dated May 22, 2019. 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–2019– 0186. Comments The FAA gave the public the opportunity to participate in developing this final rule. The FAA received no comments on the NPRM or on the determination of the cost to the public. Conclusion The FAA reviewed the relevant data and determined that air safety and the public interest require adopting this final rule with the change described previously and 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. The FAA also determined that this change will not increase the economic burden on any operator or increase the scope of this final rule. Related Service Information Under 1 CFR Part 51 Bombardier has issued the following service information. • Bombardier Service Bulletin 604– 32–029, Revision 02, dated May 10, 2018. • Bombardier Service Bulletin 605– 32–006, Revision 02, dated May 10, 2018. • Bombardier Service Bulletin 650– 32–002, Revision 02, dated May 10, 2018. The service information describes procedures to verify the serial numbers of the installed MLG side stay actuator assemblies and to replace the affected parts. These documents are distinct since they apply to the airplane model in different configurations. 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 384 airplanes of U.S. registry. The agency 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 1 work-hour × $85 per hour = $85 .............................................................................................. $0 $85 $32,640 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 agency has no way of determining the number of aircraft that might need this on-condition action: jspears on DSK3GMQ082PROD with RULES ESTIMATED COSTS OF ON-CONDITION ACTIONS Labor cost Parts cost Up to 7 work-hours × $85 per hour = Up to $595 ........... Up to $1,820 ................................................................... VerDate Sep<11>2014 15:51 Aug 14, 2019 Jkt 247001 PO 00000 Frm 00012 Fmt 4700 Sfmt 4700 E:\FR\FM\15AUR1.SGM Cost per product 15AUR1 Up to $2,415. Federal Register / Vol. 84, No. 158 / Thursday, August 15, 2019 / Rules and Regulations Authority for This Rulemaking jspears on DSK3GMQ082PROD with RULES 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 VerDate Sep<11>2014 15:51 Aug 14, 2019 Jkt 247001 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. § 39.13 [Amended] 2. The FAA amends § 39.13 by adding the following new airworthiness directive (AD): ■ PO 00000 Frm 00013 Fmt 4700 Sfmt 4725 2019–15–01 Bombardier, Inc.: Amendment 39–19694; Docket No. FAA–2019–0186; Product Identifier 2018–NM–153–AD. (a) Effective Date This AD is effective September 19, 2019. (b) Affected ADs None. (c) Applicability This AD applies to all Bombardier, Inc., Model CL–600–2B16 (601–3A, 601–3R, and 604 Variants) airplanes, certificated in any category. (d) Subject Air Transport Association (ATA) of America Code 32, Main landing gear. (e) Reason This AD was prompted by a report that main landing gear (MLG) side stay actuators have been assembled using nonconforming split ball bearings. The FAA is issuing this AD to address the affected bearings, which could potentially result in asymmetric MLG gear extension or retraction, and subsequent gear collapse during landing. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Inspection To Verify the Serial Number For airplane serial numbers (S/Ns) 5301 through 5665 inclusive, 5701 through 5988 inclusive, and 6050 through 6091 inclusive, equipped with any MLG side stay actuator assembly containing split ball bearing part number (P/N) 104467672: For the left and right MLG side stay actuator assemblies having P/Ns 19011–103 and 19011–105, at the applicable time specified in figure 1 to paragraphs (g) and (h) of this AD, perform an inspection to verify the serial number, in accordance with paragraphs 2.A. and 2.B. of the Accomplishment Instructions of the applicable service information specified in figure 2 to paragraphs (g), (h), and (i) of this AD. E:\FR\FM\15AUR1.SGM 15AUR1 ER15AU19.003</GPH> According to the manufacturer, some or all of the costs of this AD may be covered under warranty, thereby reducing the cost impact on affected individuals. The FAA does not control warranty coverage for affected individuals. As a result, the agency has included all known costs in its cost estimate. 41607 Federal Register / Vol. 84, No. 158 / Thursday, August 15, 2019 / Rules and Regulations (h) Replacement If, during the inspection specified in paragraph (g) of this AD, the identified serial number of the MLG side stay actuator assembly is listed in table 1 or table 2 of paragraph 2.B. of the Accomplishment Instructions of the applicable service information specified in figure 2 to paragraphs (g), (h), and (i) of this AD: At the applicable time specified in figure 1 to paragraphs (g) and (h) of this AD, replace the split ball bearing having P/N 104467672, in accordance with paragraph 2.C. of the Accomplishment Instructions of the applicable service information specified in figure 2 to paragraphs (g), (h), and (i) of this AD. If the identified serial number of the MLG side stay actuator assembly is not listed in table 1 or table 2 of paragraph 2.B. of the Accomplishment Instructions of the applicable service information specified in figure 2 to paragraphs (g), (h), and (i) of this AD, no further action is required by this paragraph. jspears on DSK3GMQ082PROD with RULES (i) Parts Installation Limitation As of the effective date of this AD, no person may install, on any Bombardier, Inc., Model CL–600–2B16 (601–3A, 601–3R, and 604 Variants) airplanes, an MLG side stay actuator assembly with a serial number listed in table 1 or table 2 of paragraph 2.B. of the Accomplishment Instructions of the applicable service information specified in figure 2 to paragraphs (g), (h), and (i) of this AD, unless the split ball bearing having P/N 104467672 has been previously replaced as specified in paragraph (h) of 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 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. (j) 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 service information in paragraphs (j)(1) through (j)(3) of this AD. (1) Bombardier Service Bulletin 604–32– 029, Revision 01, dated February 5, 2018. (2) Bombardier Service Bulletin 605–32– 006, Revision 01, dated February 5, 2018. (3) Bombardier Service Bulletin 650–32– 002, Revision 01, dated February 5, 2018. (l) Related Information (1) Refer to Mandatory Continuing Airworthiness Information (MCAI) Canadian AD CF–2018–26R1, dated May 22, 2019, 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–2019–0186. (2) For more information about this AD, contact Darren Gassetto, Aerospace Engineer, Mechanical Systems and Administrative Services Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516–228– 7323; fax 516–794–5531; email 9-avs-nyacocos@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. (k) Other FAA AD Provisions The following provisions also apply to this AD: (m) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference VerDate Sep<11>2014 15:51 Aug 14, 2019 Jkt 247001 PO 00000 Frm 00014 Fmt 4700 Sfmt 9990 (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 604–32– 029, Revision 02, dated May 10, 2018. (ii) Bombardier Service Bulletin 605–32– 006, Revision 02, dated May 10, 2018. (iii) Bombardier Service Bulletin 650–32– 002, Revision 02, dated May 10, 2018. (3) For service information identified in this AD, contact Bombardier, Inc., 400 CoˆteVertu Road West, Dorval, Que´bec H4S 1Y9, Canada; Widebody Customer Response Center North America toll-free telephone 1– 866–538–1247 or direct-dial telephone 1– 514–855–2999; fax 514–855–7401; email ac.yul@aero.bombardier.com; internet https:// 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: https:// www.archives.gov/federal-register/cfr/ibrlocations.html. Issued in Des Moines, Washington, on July 23, 2019. Michael Kaszycki, Acting Director, System Oversight Division, Aircraft Certification Service. [FR Doc. 2019–17506 Filed 8–14–19; 8:45 am] BILLING CODE 4910–13–P E:\FR\FM\15AUR1.SGM 15AUR1 ER15AU19.004</GPH> 41608

Agencies

[Federal Register Volume 84, Number 158 (Thursday, August 15, 2019)]
[Rules and Regulations]
[Pages 41605-41608]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2019-17506]


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

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2019-0186; Product Identifier 2018-NM-153-AD; Amendment 
39-19694; AD 2019-15-01]
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 all 
Bombardier, Inc., Model CL-600-2B16 (601-3A, 601-3R, and 604 Variants) 
airplanes. This AD was prompted by a report that main landing gear 
(MLG) side stay actuators have been assembled using nonconforming split 
ball bearings. This AD requires verification of the serial numbers of 
the installed MLG side stay actuator assemblies, and replacement of the 
affected parts. 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 certain publications listed in this AD as of September 19, 
2019.

ADDRESSES: For service information identified in this final rule, 
contact Bombardier, Inc., 400 C[ocirc]te-Vertu Road West, Dorval, 
Qu[eacute]bec H4S 1Y9, Canada; Widebody Customer Response Center North 
America toll-free telephone 1-866-538-1247 or direct-dial telephone 1-
514-855-2999; fax 514-855-7401; email [email protected]; 
internet https://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 https://www.regulations.gov by searching for and locating 
Docket No. FAA-2019-0186.

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-2019-
0186; 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,

[[Page 41606]]

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: Darren Gassetto, Aerospace Engineer, 
Mechanical Systems and Administrative Services Section, FAA, New York 
ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; 
telephone 516-228-7323; fax 516-794-5531; email [email protected].

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 all Bombardier, Inc., 
Model CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes. The 
NPRM published in the Federal Register on May 14, 2019 (84 FR 21273). 
The NPRM was prompted by a report that MLG side stay actuators have 
been assembled using nonconforming split ball bearings. The NPRM 
proposed to require verification of the serial numbers of the installed 
MLG side stay actuator assemblies, and replacement of the affected 
parts.
    The FAA is issuing this AD to address the affected bearings, which 
could potentially result in asymmetric MLG gear extension or 
retraction, and subsequent gear collapse during landing.
    In the NPRM, the FAA referred to Canadian AD CF-2018-26, dated 
October 5, 2018. However, since the NPRM was issued, Transport Canada 
Civil Aviation (TCCA), the civil aviation authority for Canada, issued 
Canadian AD CF-2018-26R1, dated May 22, 2019 (referred to after this as 
the Mandatory Continuing Airworthiness Information, or ``the MCAI''), 
to correct an unsafe condition for certain Bombardier, Inc., Model CL-
600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes. The MCAI states:

    The landing gear supplier has informed Bombardier Inc. about a 
quality escape involving Main Landing Gear (MLG) side stay actuators 
that have been assembled using non-conforming split ball bearings. 
The affected bearings are manufactured from material that does not 
meet the required material properties. If not corrected, this 
condition can result in potentially asymmetric MLG gear extension or 
retraction and subsequent gear collapse during landing.
    The original version of this [Canadian] AD mandated . . . 
verification of the installed MLG side stay actuator assemblies and 
replacement of the affected parts.
    Revision 1 of this [Canadian] AD is issued to add a reference to 
Table 2 in the applicable Service Bulletins (SBs) that list affected 
serial numbers for P/N 19011-105.

    The FAA has determined that the revised MCAI has no effect on 
airplanes on which the actions identified in the NPRM were completed. 
The FAA has revised paragraph (l)(1) of this AD to refer to Canadian AD 
CF-2018-26R1, dated May 22, 2019.
    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-2019-
0186.

Comments

    The FAA gave the public the opportunity to participate in 
developing this final rule. The FAA received no comments on the NPRM or 
on the determination of the cost to the public.

Conclusion

    The FAA reviewed the relevant data and determined that air safety 
and the public interest require adopting this final rule with the 
change described previously and 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.
    The FAA also determined that this change will not increase the 
economic burden on any operator or increase the scope of this final 
rule.

Related Service Information Under 1 CFR Part 51

    Bombardier has issued the following service information.
     Bombardier Service Bulletin 604-32-029, Revision 02, dated 
May 10, 2018.
     Bombardier Service Bulletin 605-32-006, Revision 02, dated 
May 10, 2018.
     Bombardier Service Bulletin 650-32-002, Revision 02, dated 
May 10, 2018.
    The service information describes procedures to verify the serial 
numbers of the installed MLG side stay actuator assemblies and to 
replace the affected parts. These documents are distinct since they 
apply to the airplane model in different configurations.
    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 384 airplanes of U.S. 
registry. The agency estimates the following costs to comply with this 
AD:

                                      Estimated Costs for Required Actions
----------------------------------------------------------------------------------------------------------------
                                                                                    Cost per       Cost on U.S.
                          Labor cost                              Parts cost        product         operators
----------------------------------------------------------------------------------------------------------------
1 work-hour x $85 per hour = $85.............................              $0              $85          $32,640
----------------------------------------------------------------------------------------------------------------

    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 agency 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                        Cost per product
----------------------------------------------------------------------------------------------------------------
Up to 7 work-hours x $85 per hour =    Up to $1,820.................  Up to $2,415.
 Up to $595.
----------------------------------------------------------------------------------------------------------------


[[Page 41607]]

    According to the manufacturer, some or all of the costs of this AD 
may be covered under warranty, thereby reducing the cost impact on 
affected individuals. The FAA does not control warranty coverage for 
affected individuals. As a result, the agency has included all known 
costs in its cost estimate.

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

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 (AD):

2019-15-01 Bombardier, Inc.: Amendment 39-19694; Docket No. FAA-
2019-0186; Product Identifier 2018-NM-153-AD.

(a) Effective Date

    This AD is effective September 19, 2019.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to all Bombardier, Inc., Model CL-600-2B16 (601-
3A, 601-3R, and 604 Variants) airplanes, certificated in any 
category.

(d) Subject

    Air Transport Association (ATA) of America Code 32, Main landing 
gear.

(e) Reason

    This AD was prompted by a report that main landing gear (MLG) 
side stay actuators have been assembled using nonconforming split 
ball bearings. The FAA is issuing this AD to address the affected 
bearings, which could potentially result in asymmetric MLG gear 
extension or retraction, and subsequent gear collapse during 
landing.

(f) Compliance

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

(g) Inspection To Verify the Serial Number

    For airplane serial numbers (S/Ns) 5301 through 5665 inclusive, 
5701 through 5988 inclusive, and 6050 through 6091 inclusive, 
equipped with any MLG side stay actuator assembly containing split 
ball bearing part number (P/N) 104467672: For the left and right MLG 
side stay actuator assemblies having P/Ns 19011-103 and 19011-105, 
at the applicable time specified in figure 1 to paragraphs (g) and 
(h) of this AD, perform an inspection to verify the serial number, 
in accordance with paragraphs 2.A. and 2.B. of the Accomplishment 
Instructions of the applicable service information specified in 
figure 2 to paragraphs (g), (h), and (i) of this AD.
[GRAPHIC] [TIFF OMITTED] TR15AU19.003


[[Page 41608]]


[GRAPHIC] [TIFF OMITTED] TR15AU19.004

 (h) Replacement

    If, during the inspection specified in paragraph (g) of this AD, 
the identified serial number of the MLG side stay actuator assembly 
is listed in table 1 or table 2 of paragraph 2.B. of the 
Accomplishment Instructions of the applicable service information 
specified in figure 2 to paragraphs (g), (h), and (i) of this AD: At 
the applicable time specified in figure 1 to paragraphs (g) and (h) 
of this AD, replace the split ball bearing having P/N 104467672, in 
accordance with paragraph 2.C. of the Accomplishment Instructions of 
the applicable service information specified in figure 2 to 
paragraphs (g), (h), and (i) of this AD. If the identified serial 
number of the MLG side stay actuator assembly is not listed in table 
1 or table 2 of paragraph 2.B. of the Accomplishment Instructions of 
the applicable service information specified in figure 2 to 
paragraphs (g), (h), and (i) of this AD, no further action is 
required by this paragraph.

(i) Parts Installation Limitation

    As of the effective date of this AD, no person may install, on 
any Bombardier, Inc., Model CL-600-2B16 (601-3A, 601-3R, and 604 
Variants) airplanes, an MLG side stay actuator assembly with a 
serial number listed in table 1 or table 2 of paragraph 2.B. of the 
Accomplishment Instructions of the applicable service information 
specified in figure 2 to paragraphs (g), (h), and (i) of this AD, 
unless the split ball bearing having P/N 104467672 has been 
previously replaced as specified in paragraph (h) of this AD.

(j) 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 service information in paragraphs (j)(1) 
through (j)(3) of this AD.
    (1) Bombardier Service Bulletin 604-32-029, Revision 01, dated 
February 5, 2018.
    (2) Bombardier Service Bulletin 605-32-006, Revision 01, dated 
February 5, 2018.
    (3) Bombardier Service Bulletin 650-32-002, Revision 01, dated 
February 5, 2018.

(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 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.

(l) Related Information

    (1) Refer to Mandatory Continuing Airworthiness Information 
(MCAI) Canadian AD CF-2018-26R1, dated May 22, 2019, 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-2019-0186.
    (2) For more information about this AD, contact Darren Gassetto, 
Aerospace Engineer, Mechanical Systems and Administrative Services 
Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, 
Westbury, NY 11590; telephone 516-228-7323; fax 516-794-5531; email 
[email protected].
    (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 604-32-029, Revision 02, dated 
May 10, 2018.
    (ii) Bombardier Service Bulletin 605-32-006, Revision 02, dated 
May 10, 2018.
    (iii) Bombardier Service Bulletin 650-32-002, Revision 02, dated 
May 10, 2018.
    (3) For service information identified in this AD, contact 
Bombardier, Inc., 400 C[ocirc]te-Vertu Road West, Dorval, 
Qu[eacute]bec H4S 1Y9, Canada; Widebody Customer Response Center 
North America toll-free telephone 1-866-538-1247 or direct-dial 
telephone 1-514-855-2999; fax 514-855-7401; email 
[email protected]; internet https://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: https://www.archives.gov/federal-register/cfr/ibr-locations.html.

    Issued in Des Moines, Washington, on July 23, 2019.
Michael Kaszycki,
Acting Director, System Oversight Division, Aircraft Certification 
Service.
[FR Doc. 2019-17506 Filed 8-14-19; 8:45 am]
 BILLING CODE 4910-13-P

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