44660 Federal Register / Vol. 86, No. 154 / Friday, August 13, 2021 / Proposed Rules (b) Affected ADs (ii) If the inspection was done before the DEPARTMENT OF TRANSPORTATION None. effective date of this AD: Submit the report within 14 days after the effective date of this Federal Aviation Administration (c) Applicability AD. This AD applies to Leonardo S.p.a. Model (7) This AD does not require the 14 CFR Part 39 A109A, A109A II, A109C, A109E, A109K2, ‘‘Remarks’’ section of EASA AD 2018–0280. A109S, AW109SP, A119, and AW119 MKII [Docket No. FAA–2021–0660; Project helicopters, certificated in any category, with (i) Special Flight Permit Identifier AD–2021–00398–T] an affected part as identified in European Special flight permits, as described in 14 Aviation Safety Agency (now European RIN 2120–AA64 CFR 21.197 and 21.199, are not allowed. Union Aviation Safety Agency) (EASA) AD 2018–0280, dated December 17, 2018 (EASA Airworthiness Directives; Learjet Inc. (j) Alternative Methods of Compliance Airplanes AD 2018–0280). (AMOCs) (d) Subject (1) The Manager, International Validation AGENCY: Federal Aviation Joint Aircraft Service Component (JASC) Branch, FAA, has the authority to approve Administration (FAA), DOT. Codes: 6700, Rotorcraft Flight Control; 6730, AMOCs for this AD, if requested using the ACTION: Notice of proposed rulemaking Rotorcraft Servo System. procedures found in 14 CFR 39.19. In (NPRM). (e) Unsafe Condition accordance with 14 CFR 39.19, send your request to your principal inspector or local SUMMARY: The FAA proposes to adopt a This AD was prompted by a report of Flight Standards District Office, as new airworthiness directive (AD) for damage to a rigid connecting link (rod), and certain Learjet Inc. Model 45 airplanes. loosening of the nut on the upper rod end. appropriate. If sending information directly The FAA is issuing this AD to address to the manager of the International Validation This proposed AD was prompted by a damage to the rod, and loosening of the nut Branch, send it to the attention of the person report of a fuel leak due to a cracked on the upper rod end. The unsafe condition, identified in paragraph (k)(2) of this AD. fuel line between the engine fuel control if not addressed, could result in failure of the Information may be emailed to: 9-AVS-AIR- and the engine fuel flow meter. This rod, possibly resulting in reduced control of [email protected]. proposed AD would require replacing the helicopter. (2) Before using any approved AMOC, the existing fuel flow meter bracket (f) Compliance notify your appropriate principal inspector, assembly with a redesigned bracket or lacking a principal inspector, the manager Comply with this AD within the assembly and reporting information to compliance times specified, unless already of the local flight standards district office/ the FAA. The FAA is proposing this AD done. certificate holding district office. to address the unsafe condition on these products. (g) Requirements (k) Related Information DATES: The FAA must receive comments Except as specified in paragraph (h) of this (1) For EASA AD 2018–0280, contact on this proposed AD by September 27, AD: Comply with all required actions and EASA, Konrad-Adenauer-Ufer 3, 50668 2021. compliance times specified in, and in Cologne, Germany; phone: +49 221 8999 000; accordance with, EASA AD 2018–0280. email: [email protected]; internet ADDRESSES: You may send comments, (h) Exceptions to EASA AD 2018–0280 www.easa.europa.eu. You may view this using the procedures found in 14 CFR 11.43 and 11.45, by any of the following (1) Where EASA AD 2018–0280 requires material at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood methods: compliance in terms of flight hours, this AD • requires using hours time-in-service. Pkwy., Room 6N–321, Fort Worth, TX 76177. Federal eRulemaking Portal: Go to (2) Where EASA AD 2018–0280 requires For information on the availability of this https://www.regulations.gov. Follow the compliance from its effective date, this AD material at the FAA, call (817) 222–5110. instructions for submitting comments. requires using the effective date of this AD. This material may be found in the AD docket • Fax: (202) 493–2251. (3) Where EASA AD 2018–0280 specifies at https://www.regulations.gov by searching • Mail: U.S. Department of action if ‘‘any discrepancy’’ is found, for this for and locating Docket No. FAA–2021–0659. Transportation, Docket Operations, M– AD, discrepancies include damage, cracks, (2) For more information about this AD, 30, West Building Ground Floor, Room and evidence of abnormal play. contact Darren Gassetto, Aerospace Engineer, W12–140, 1200 New Jersey Avenue SE, (4) Where the service information specified COS Program Management Section, Washington, DC 20590. in EASA AD 2018–0280 specifies to ‘‘replace • the damaged connecting link’’, for this AD, Operational Safety Branch, Compliance & Hand Delivery: Deliver to Mail if any damage or cracks are found, remove Airworthiness Division, FAA, 1600 Stewart address above between 9 a.m. and 5 the rod from service. Ave., Suite 410, Westbury, NY 11590; phone: p.m., Monday through Friday, except (5) Where the service information specified (516) 228–7323; email: Darren.Gassetto@ Federal holidays. in EASA AD 2018–0280 specifies to ‘‘contact faa.gov. For service information identified in Leonardo Helicopters’’ if abnormal play is Issued on August 4, 2021. this NPRM, contact Learjet Inc., One detected, for this AD if any abnormal play is Learjet Way, Wichita, KS 67209; phone: detected, corrective action must be Lance T. Gant, accomplished using a method approved by (316) 946–2000; email: ac.ict@ Director, Compliance & Airworthiness aero.bombardier.com; website: https:// the Manager, International Validation Division, Aircraft Certification Service. Branch, FAA; or EASA; or Leonardo S.p.a.’s businessaircraft.bombardier.com/en/ EASA Design Organization Approval (DOA). [FR Doc. 2021–17046 Filed 8–12–21; 8:45 am] aircraft/Learjet.html. You may view this If approved by the DOA, the approval must BILLING CODE 4910–13–P service information at the FAA, include the DOA-authorized signature. Airworthiness Products Section, (6) Where EASA AD 2018–0280 requires Operational Safety Branch, 901 Locust, reporting inspection results to Leonardo Kansas City, MO 64106. For information S.p.a. within 14 days after the effective date of EASA AD 2018–0280, this AD requires on the availability of this material at the reporting inspection results at the applicable FAA, call (816) 329–4148. time in paragraph (h)(6)(i) or (ii) of this AD. Examining the AD Docket (i) If the inspection was done on or after the effective date of this AD: Submit the You may examine the AD docket at report within 14 days after the inspection. https://www.regulations.gov by VerDate Sep<11>2014 16:19 Aug 12, 2021 Jkt 253001 PO 00000 Frm 00019 Fmt 4702 Sfmt 4702 E:\FR\FM\13AUP1.SGM 13AUP1 jbell on DSKJLSW7X2PROD with PROPOSALS Federal Register / Vol. 86, No. 154 / Friday, August 13, 2021 / Proposed Rules 44661 searching for and locating Docket No. as ‘‘PROPIN.’’ The FAA will treat such procedures for replacing the existing FAA–2021–0660; or in person at Docket marked submissions as confidential fuel flow meter bracket assembly with a Operations between 9 a.m. and 5 p.m., under the FOIA, and they will not be redesigned bracket assembly with pad Monday through Friday, except Federal placed in the public docket of this fuel flow meter that has an increased holidays. The AD docket contains this NPRM. Submissions containing CBI material thickness. These documents are NPRM, any comments received, and should be sent to James Galstad, distinct since they apply to different other information. The street address for Aviation Safety Engineer, or Thomas airplane models. This service Docket Operations is listed above. Teplik, Aviation Safety Engineer, information is reasonably available FOR FURTHER INFORMATION CONTACT: Wichita ACO Branch, FAA, 1801 S because the interested parties have James Galstad, Aviation Safety Engineer, Airport Road, Wichita, KS 67209. Any access to it through their normal course Wichita ACO Branch, FAA, 1801 S commentary that the FAA receives of business or by the means identified Airport Road, Wichita, KS 67209; which is not specifically designated as in ADDRESSES. phone: (316) 946–4135; email: CBI will be placed in the public docket for this rulemaking. Proposed AD Requirements in This [email protected] or Wichita-COS@ NPRM faa.gov; or Thomas Teplik, Aviation Background Safety Engineer, Wichita ACO Branch, This proposed AD would require The FAA received a report of a fuel FAA, 1801 S Airport Road, Wichita, KS accomplishing the actions specified in leak due to a cracked fuel line between 67209; phone: (316) 946–4196; email: the service information already the engine fuel control and the engine [email protected] or Wichita-COS@ described, except as discussed under fuel flow meter on a Learjet Model 45 faa.gov. ‘‘Differences Between this Proposed AD (Learjet 45) airplane. There are four and the Service Information.’’ SUPPLEMENTARY INFORMATION: different Model 45 configurations: Comments Invited Model 45 (Learjet 40), Model 45 (Learjet Differences Between This Proposed AD 45), Model 45 (Learjet 70), and Model 45 and the Service Information The FAA invites you to send any (Learjet 75). They all are susceptible to written relevant data, views, or This proposed AD would require cracked fuel lines with possible fuel reporting certain maintenance arguments about this proposal. Send leakage because the fuel flow meter your comments to an address listed information to the FAA, where the bracket and fuel line is common to each service information does not. The under ADDRESSES. Include ‘‘Docket No.