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model. Inserting a different document with (3) For Helicopters service ADDRESSES: For material incorporated information identical to that in Appendix 4. information identified in this AD, contact by reference (IBR) in this AD, contact of ASB AS350–01.00.67 or ASB EC130– Airbus Helicopters, 2701 N Forum Drive, EASA, Konrad-Adenauer-Ufer 3, 50668 04A004, as applicable to your helicopter Grand Prairie, TX 75052; telephone (972) Cologne, Germany; telephone +49 221 model, is acceptable for compliance with the 641–0000 or (800) 232–0323; fax (972) 641– requirement of this paragraph. 3775; or at https://www.airbus.com/ 8999 000; email [email protected]; (2) As an optional terminating action for helicopters/services/technical-support.html. internet www.easa.europa.eu. You may the requirement of paragraph (g)(1) of this (4) You may view this service information find this IBR material on the EASA AD, install amendment A on FADEC P/N at the FAA, Office of the Regional Counsel, website at https://ad.easa.europa.eu. C13165DA00 or amendment B on FADEC P/ Southwest Region, 10101 Hillwood Pkwy., You may view this IBR material at the N C13165FA00. Room 6N–321, Fort Worth, TX 76177. For FAA, Airworthiness Products Section, (h) Alternative Methods of Compliance information on the availability of this Operational Safety Branch, 2200 South (AMOCs) material at the FAA, call (817) 222–5110. 216th St., Des Moines, WA. For (5) You may view this service information information on the availability of this (1) The Manager, International Validation that is incorporated by reference at the Branch, FAA, has the authority to approve National Archives and Records material at the FAA, call 206–231–3195. AMOCs for this AD, if requested using the Administration (NARA). For information on It is also available in the AD docket on procedures found in 14 CFR 39.19. In the availability of this material at NARA, the internet at https:// accordance with 14 CFR 39.19, send your email: [email protected], or go to: www.regulations.gov by searching for request to your principal inspector or local https://www.archives.gov/federal-register/cfr/ and locating Docket No. FAA–2021– Flight Standards District Office, as ibr-locations.html. 0023. appropriate. If sending information directly to the manager of the International Validation Issued on May 24, 2021. Examining the AD Docket Branch, send it to the attention of the person Gaetano A. Sciortino, You may examine the AD docket on identified in paragraph (i)(1) of this AD. Deputy Director for Strategic Initiatives, Information may be emailed to: 9-AVS-AIR- Compliance & Airworthiness Division, the internet at https:// [email protected]. Aircraft Certification Service. www.regulations.gov by searching for (2) Before using any approved AMOC, and locating Docket No. FAA–2021– [FR Doc. 2021–13200 Filed 6–23–21; 8:45 am] notify your appropriate principal inspector, 0023; or in person at Docket Operations or lacking a principal inspector, the manager BILLING CODE 4910–13–P between 9 a.m. and 5 p.m., Monday of the local flight standards district office/ through Friday, except Federal holidays. certificate holding district office. DEPARTMENT OF TRANSPORTATION The AD docket contains this final rule, (i) Related Information any comments received, and other (1) For more information about this AD, Federal Aviation Administration information. The address for Docket contact Jon Jordan, Rotorcraft Flight Test Operations is U.S. Department of Pilot, Southwest Section, Flight Test Branch, 14 CFR Part 39 Transportation, Docket Operations, FAA, 10101 Hillwood Pkwy., Fort Worth, TX M–30, West Building Ground Floor, 76177; telephone (817) 222–5110; email [Docket No. FAA–2021–0023; Project Room W12–140, 1200 New Jersey [email protected]. Identifier MCAI–2020–01407–T; Amendment (2) Safran Turbomeca Mandatory Service 39–21525; AD 2021–09–11] Avenue SE, Washington, DC 20590. Bulletin No. 292 73 2852, Revision B, dated FOR FURTHER INFORMATION CONTACT: February 12, 2014, which is not incorporated RIN 2120–AA64 Shahram Daneshmandi, by reference, contains additional information Airworthiness Directives; Saab AB, Engineer, Large Aircraft Section, about the subject of this AD. Contact Safran International Validation Branch, FAA, Helicopter Engines, S.A., 64511 Bordes, Support and Services (Formerly Known as Saab AB, Saab Aeronautics) 2200 South 216th St., Des Moines, WA France; phone: +33 (0) 5 59 74 45 11 for this 98198; telephone and fax 206–231– service information. You may view this Airplanes service information at the FAA, Office of the 3220; email Shahram.Daneshmandi@ Regional Counsel, Southwest Region, 10101 AGENCY: Federal Aviation faa.gov. Hillwood Pkwy., Room 6N–321, Fort Worth, Administration (FAA), Department of SUPPLEMENTARY INFORMATION: TX 76177. For information on the availability Transportation (DOT). Discussion of this material at the FAA, call (817) 222– ACTION: Final rule. 5110. The EASA, which is the Technical (3) The subject of this AD is addressed in SUMMARY: The FAA is adopting a new Agent for the Member States of the European Aviation Safety Agency (now airworthiness directive (AD) for all Saab European Union Aviation Safety Agency) European Union, has issued EASA AD (EASA) AD 2013–0287, dated December 5, AB, Support and Services Model SAAB 2020–0223, dated October 14, 2020 2013. You may view the EASA AD at https:// 2000 airplanes. This AD was prompted (EASA AD 2020–0223) (also referred to www.regulations.gov in Docket No. FAA– by a report indicating that the left-hand as the Mandatory Continuing 2017–0432. main landing gear (MLG) collapsed after Airworthiness Information, or the (j) Material Incorporated by Reference touchdown, causing severe damage to MCAI), to correct an unsafe condition the airplane. This AD requires for all Saab AB, Support and Services (1) The Director of the Federal Register modifying the MLG hydraulic transfer approved the incorporation by reference of Model airplanes. the service information listed in this valve, as specified in a European Union The FAA issued a notice of proposed paragraph under 5 U.S.C. 552(a) and 1 CFR Aviation Safety Agency (EASA) AD, rulemaking (NPRM) to amend 14 CFR part 51. which is incorporated by reference. The part 39 by adding an AD that would (2) You must use this service information FAA is issuing this AD to address the apply to all Saab AB, Support and as applicable to do the actions required by unsafe condition on these products. Services Model SAAB 2000 airplanes. this AD, unless the AD specifies otherwise. DATES: This AD is effective July 29, The NPRM published in the Federal (i) Airbus Helicopters Alert Service Bulletin No. AS350–01.00.67, Revision 2, 2021. Register on February 24, 2021 (86 FR dated February 17, 2014. The Director of the Federal Register 11184). The NPRM was prompted by a (ii) Airbus Helicopters Alert Service approved the incorporation by reference report indicating that the left-hand MLG Bulletin No. EC130–04A004, Revision 2, of a certain publication listed in this AD collapsed after touchdown, causing dated February 17, 2014. as of July 29, 2021. severe damage to the airplane. The

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NPRM proposed to require modifying comments on the NPRM or on the hydraulic transfer valve. This the MLG hydraulic transfer valve, as determination of the cost to the public. modification includes installing a new specified in EASA AD 2020–0223. Conclusion relay, relocation of wiring, and The FAA is issuing this AD to address installation of new wiring, to ensure abnormal behavior of the MLG The FAA reviewed the relevant data that, when the emergency extension hydraulic transfer valve due to a and determined that air safety and the handle is used, the transfer valve public interest require adopting this restriction in hydraulic flow, which solenoid is energized to force the final rule as proposed, except for minor could cause the MLG hydraulic transfer transfer valve to the ‘‘gear down’’ editorial changes. The FAA has valve to not function properly and fail determined that these minor changes: position. This material is reasonably to retract, extend, or lock the MLG, and • Are consistent with the intent that available because the interested parties possibly result in MLG collapse was proposed in the NPRM for have access to it through their normal following landing and consequent addressing the unsafe condition; and course of business or by the means damage to the airplane and injury to • Do not add any additional burden identified in the ADDRESSES section. occupants. See the MCAI for additional upon the public than was already Costs of Compliance background information. proposed in the NPRM. Comments Related Service Information Under 1 The FAA estimates that this AD affects 8 airplanes of U.S. registry. The The FAA gave the public the CFR Part 51 FAA estimates the following costs to opportunity to participate in developing EASA AD 2020–0223 describes this final rule. The FAA received no procedures for modifying the MLG comply with this AD:

ESTIMATED COSTS FOR REQUIRED ACTIONS

Cost per Cost on U.S. Labor cost Parts cost product operators

20 work-hours × $85 per hour = $1,700 ...... $1,875 $3,575 $28,600

Authority for This Rulemaking (2) Will not affect intrastate aviation (b) Affected ADs Title 49 of the United States Code in Alaska, and None. specifies the FAA’s authority to issue (3) Will not have a significant (c) Applicability economic impact, positive or negative, rules on aviation safety. Subtitle I, This AD applies to all Saab AB, Support section 106, describes the authority of on a substantial number of small entities and Services Model SAAB 2000 airplanes, the FAA Administrator. Subtitle VII: under the criteria of the Regulatory certificated in any category. Aviation Programs, describes in more Flexibility Act. (d) Subject detail the scope of the Agency’s List of Subjects in 14 CFR Part 39 authority. Air Transport Association (ATA) of The FAA is issuing this rulemaking Air transportation, Aircraft, Aviation America Code 32, Landing gear. under the authority described in safety, Incorporation by reference, (e) Reason Subtitle VII, Part A, Subpart III, Section Safety. This AD was prompted by a report 44701: General requirements. Under Adoption of the Amendment indicating that the left-hand main landing that section, Congress charges the FAA gear (MLG) collapsed after touchdown, with promoting safe flight of civil Accordingly, under the authority causing severe damage to the airplane. The aircraft in air commerce by prescribing delegated to me by the Administrator, FAA is issuing this AD to address abnormal regulations for practices, methods, and the FAA amends 14 CFR part 39 as behavior of the MLG hydraulic transfer valve due to a restriction in hydraulic flow, which procedures the Administrator finds follows: necessary for safety in air commerce. could cause the MLG hydraulic transfer valve PART 39—AIRWORTHINESS to not function properly and fail to retract, This regulation is within the scope of extend, or lock the MLG, and possibly result that authority because it addresses an DIRECTIVES in MLG collapse following landing and unsafe condition that is likely to exist or consequent damage to the airplane and injury develop on products identified in this ■ 1. The authority citation for part 39 to occupants. rulemaking action. continues to read as follows: (f) Compliance Regulatory Findings Authority: 49 U.S.C. 106(g), 40113, 44701. Comply with this AD within the This AD will not have federalism § 39.13 [Amended] compliance times specified, unless already done. implications under Executive Order ■ 13132. This AD will not have a 2. The FAA amends § 39.13 by adding (g) Requirements the following new airworthiness substantial direct effect on the States, on Except as specified in paragraph (h) of this the relationship between the national directive: AD: Comply with all required actions and government and the States, or on the 2021–09–11 Saab AB, Support and Services compliance times specified in, and in distribution of power and (Formerly Known as Saab AB, Saab accordance with, European Union Aviation responsibilities among the various Aeronautics): Amendment 39–21525; Safety Agency (EASA) AD 2020–0223, dated levels of government. Docket No. FAA–2021–0023; Project October 14, 2020 (EASA AD 2020–0223). Identifier MCAI–2020–01407–T. For the reasons discussed above, I (h) Exceptions to EASA AD 2020–0223 certify that this AD: (a) Effective Date (1) Where EASA AD 2020–0223 refers to its (1) Is not a ‘‘significant regulatory This airworthiness directive (AD) is effective date, this AD requires using the action’’ under Executive Order 12866, effective July 29, 2021. effective date of this AD.

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(2) The ‘‘Remarks’’ section of EASA AD Cologne, Germany; telephone +49 221 8999 Commercial Airplanes, 2020–0223 does not apply to this AD. 000; email [email protected]; Internet Attention: Contractual & Data Services www.easa.europa.eu. You may find this (C&DS), 2600 Westminster Blvd., MC (i) Other FAA AD Provisions EASA AD on the EASA website at https:// The following provisions also apply to this ad.easa.europa.eu. 110–SK57, Seal Beach, CA 90740–5600; AD: (4) You may view this material at the FAA, telephone 562–797–1717; internet (1) Alternative Methods of Compliance Airworthiness Products Section, Operational https://www.myboeingfleet.com. You (AMOCs): The Manager, Large Aircraft Safety Branch, 2200 South 216th St., Des may view this service information at the Section, International Validation Branch, Moines, WA. For information on the FAA, Airworthiness Products Section, FAA, has the authority to approve AMOCs availability of this material at the FAA, call Operational Safety Branch, 2200 South for this AD, if requested using the procedures 206–231–3195. This material may be found 216th St., Des Moines, WA. For found in 14 CFR 39.19. In accordance with in the AD docket on the internet at https:// information on the availability of this 14 CFR 39.19, send your request to your www.regulations.gov by searching for and principal inspector or responsible Flight locating Docket No. FAA–2021–0023. material at the FAA, call 206–231–3195. Standards Office, as appropriate. If sending (5) You may view this material that is It is also available at https:// information directly to the Large Aircraft incorporated by reference at the National www.regulations.gov by searching for Section, International Validation Branch, Archives and Records Administration and locating Docket No. FAA–2021– send it to the attention of the person (NARA). For information on the availability 0026. identified in paragraph (j) of this AD. of this material at NARA, email fedreg.legal@ Information may be emailed to: 9-AVS-AIR- nara.gov, or go to: https://www.archives.gov/ Examining the AD Docket [email protected]. Before using any federal-register/cfr/ibr-locations.html. You may examine the AD docket at approved AMOC, notify your appropriate Issued on April 20, 2021. principal inspector, or lacking a principal https://www.regulations.gov by inspector, the manager of the responsible Lance T. Gant, searching for and locating Docket No. Flight Standards Office. Director, Compliance & Airworthiness FAA–2021–0026; or in person at Docket (2) Contacting the Manufacturer: For any Division, Aircraft Certification Service. Operations between 9 a.m. and 5 p.m., requirement in this AD to obtain instructions [FR Doc. 2021–13114 Filed 6–23–21; 8:45 am] Monday through Friday, except Federal from a manufacturer, the instructions must BILLING CODE 4910–13–P holidays. The AD docket contains this be accomplished using a method approved by the Manager, Large Aircraft Section, final rule, any comments received, and other information. The address for International Validation Branch, FAA; or DEPARTMENT OF TRANSPORTATION EASA; or Saab AB, Support and Services’ Docket Operations is U.S. Department of EASA Design Organization Approval (DOA). Federal Aviation Administration Transportation, Docket Operations, M– If approved by the DOA, the approval must 30, West Building Ground Floor, Room include the DOA-authorized signature. 14 CFR Part 39 W12–140, 1200 New Jersey Avenue SE, (3) Required for Compliance (RC): Except Washington, DC 20590. as required by paragraph (i)(2) of this AD, if [Docket No. FAA–2021–0026; Project any service information contains procedures Identifier AD–2020–01164–T; Amendment FOR FURTHER INFORMATION CONTACT: or tests that are identified as RC, those 39–21544; AD 2021–10–11] Wayne Ha, Aerospace Engineer, procedures and tests must be done to comply Airframe Section, FAA, Los Angeles with this AD; any procedures or tests that are RIN 2120–AA64 ACO Branch, 3960 Paramount not identified as RC are recommended. Those Boulevard, Lakewood, CA 90712–4137; procedures and tests that are not identified Airworthiness Directives; The Boeing as RC may be deviated from using accepted Company Airplanes phone: 562–627–5238; fax: 562–627– methods in accordance with the operator’s 5210; email: [email protected]. AGENCY: Federal Aviation maintenance or inspection program without SUPPLEMENTARY INFORMATION: obtaining approval of an AMOC, provided Administration (FAA), DOT. the procedures and tests identified as RC can ACTION: Final rule. Background be done and the airplane can be put back in an airworthy condition. Any substitutions or SUMMARY: The FAA is adopting a new The FAA issued a notice of proposed changes to procedures or tests identified as airworthiness directive (AD) for all The rulemaking (NPRM) to amend 14 CFR RC require approval of an AMOC. Boeing Company Model 737–100, –200, part 39 by adding an AD that would (j) Related Information –200C, –300, –400, and –500 series apply to all The Boeing Company Model airplanes. This AD was prompted by a 737–100, –200, –200C, –300, –400, and For more information about this AD, contact Shahram Daneshmandi, Aerospace report indicating that a crack was found –500 series airplanes. The NPRM Engineer, Large Aircraft Section, on the splice angle flange that is published in the Federal Register on International Validation Branch, FAA, 2200 attached to the station (STA) 540 February 24, 2021 (86 FR 11186). The South 216th St., Des Moines, WA 98198; bulkhead in the area between certain NPRM was prompted by a report telephone and fax 206–231–3220; stringers. This AD requires repetitive indicating that a crack was found on the [email protected]. surface high frequency eddy current splice angle flange that is attached to the (k) Material Incorporated by Reference (HFEC) inspections at the radius of the STA 540 bulkhead in the area between left- and right-side of the STA 540 (1) The Director of the Federal Register certain stringers. In the NPRM, the FAA approved the incorporation by reference bulkhead splice angle for any cracking, proposed to require repetitive surface (IBR) of the service information listed in this and applicable on-condition actions. HFEC inspections at the radius of the paragraph under 5 U.S.C. 552(a) and 1 CFR The FAA is issuing this AD to address left- and right-side of the STA 540 part 51. the unsafe condition on these products. bulkhead splice angle for any cracking, (2) You must use this service information DATES: This AD is effective July 29, and applicable on-condition actions. as applicable to do the actions required by 2021. The FAA is issuing this AD to address this AD, unless this AD specifies otherwise. The Director of the Federal Register any cracking in the splice angle, which (i) European Union Aviation Safety Agency approved the incorporation by reference (EASA) AD 2020–0223, dated October 14, could result in the inability of a 2020. of a certain publication listed in this AD principal structural element to sustain (ii) [Reserved] as of July 29, 2021. limit load and could adversely affect the (3) For EASA AD 2020–0223, contact ADDRESSES: For service information structural integrity of the airplane; in EASA, Konrad-Adenauer-Ufer 3, 50668 identified in this final rule, contact addition, such cracking could lead to

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