69276 Federal Register / Vol. 85, No. 212 / Monday, 2, 2020 / Proposed Rules

(j) Retained Restrictions on Alternative (6) The provisions specified in paragraphs (2) For the ATR service information Actions and Intervals With a New Exception (5) and (6) of EASA AD 2020–0173 do not identified in this AD contact ATR—GIE This paragraph restates the requirements of apply to this AD. Avions de Transport Re´gional, 1 Alle´e Pierre paragraph (j) of AD 2019–13–04, with a new (7) The ‘‘Remarks’’ section of EASA AD Nadot, 31712 Blagnac Cedex, France; exception. Except as required by paragraph 2020–0173 does not apply to this AD. telephone +33 (0) 5 62 21 62 21; fax +33 (0) (k) of this AD, after the existing maintenance 5 62 21 67 18; email (m) New Provisions for Alternative Actions [email protected]; or inspection program has been revised as and Intervals required by paragraph (g) of this AD, no internet https://www.atr-aircraft.com. alternative actions (e.g., inspections) and After the maintenance or inspection (3) You view this material at the FAA, intervals may be used unless the actions and program has been revised as required by Airworthiness Products Section, Operational intervals are approved as an alternative paragraph (k) of this AD, no alternative Safety Branch, 2200 South 216th St., Des method of compliance (AMOC) in actions (e.g., inspections) or intervals, are Moines, WA. For information on the accordance with the procedures specified in allowed unless they are approved as availability of this material at the FAA, call paragraph (n)(1) of this AD. specified in the provisions of the ‘‘Ref. 206–231–3195. This material may be found Publications’’ section of EASA AD 2020– in the AD docket on the internet at https:// (k) New Maintenance or Inspection Program 0173. www.regulations.gov by searching for and Revision (n) Other FAA AD Provisions locating Docket No. FAA–2020–0972. Except as specified in paragraph (l) of this (4) For more information about this AD, AD: Comply with all required actions and The following provisions also apply to this contact Shahram Daneshmandi, Aerospace compliance times specified in, and in AD: Engineer, Large Aircraft Section, accordance with, European Union Aviation (1) Alternative Methods of Compliance International Validation Branch, FAA, 2200 Safety Agency (EASA) AD 2020–0173, dated (AMOCs): The Manager, Large Aircraft South 216th St., Des Moines, WA 98198; 5, 2020 (‘‘EASA AD 2020–0173’’). Section, International Validation Branch, telephone and fax 206–231–3220; email Accomplishing the maintenance or FAA, has the authority to approve AMOCs [email protected]. inspection program revision required by this for this AD, if requested using the procedures Issued on 23, 2020. paragraph terminates the requirements of found in 14 CFR 39.19. In accordance with paragraph (g) of this AD. 14 CFR 39.19, send your request to your Lance T. Gant, principal inspector or local Flight Standards Director, Compliance & Airworthiness (l) Exceptions to EASA AD 2020–0173 District Office, as appropriate. If sending Division, Aircraft Certification Service. (1) Where EASA AD 2020–0173 refers to its information directly to the Large Aircraft [FR Doc. 2020–23933 Filed 10–30–20; 8:45 am] effective date, this AD requires using the Section, International Validation Branch, effective date of this AD. send it to the attention of the person BILLING CODE 4910–13–P (2) The requirements specified in identified in paragraph (o)(4) of this AD. paragraphs (1) and (3) of EASA AD 2020– Information may be emailed to: 9-AVS-AIR- 0173 do not apply to this AD. [email protected]. Before using any DEPARTMENT OF TRANSPORTATION (3) Paragraph (4) of EASA AD 2020–0173 approved AMOC, notify your appropriate specifies revising ‘‘the approved AMP’’ principal inspector, or lacking a principal Federal Aviation Administration within 12 months after its effective date, but inspector, the manager of the local flight this AD requires revising the existing standards district office/certificate holding 14 CFR Part 39 maintenance or inspection program, as district office. [Docket No. FAA–2020–0975; Product applicable, to incorporate the ‘‘limitations, (2) Contacting the Manufacturer: For any Identifier 2020–NM–061–AD] tasks and associated thresholds and requirement in this AD to obtain instructions intervals’’ specified in paragraph (4) of EASA from a manufacturer, the instructions must RIN 2120–AA64 AD 2020–0173 within 90 days after the be accomplished using a method approved effective date of this AD. by the Manager, Large Aircraft Section, Airworthiness Directives; De Havilland (4) Except as provided by paragraph (2) of International Validation Branch, FAA; or Aircraft of Canada Limited (Type EASA AD 2020–0173, the initial compliance EASA; or ATR—GIE Avions de Transport Certificate Previously Held by time for doing the tasks specified in Re´gional’s EASA Design Organization Bombardier, Inc.) Airplanes paragraph (4) of EASA AD 2020–0173 is at Approval (DOA). If approved by the DOA, the applicable ‘‘associated thresholds’’ the approval must include the DOA- AGENCY: Federal Aviation specified in paragraph (4) of EASA AD 2020– authorized signature. Administration (FAA), DOT. 0173, or within 90 days after the effective date of this AD, whichever occurs later. (o) Related Information ACTION: Notice of proposed rulemaking (5) Where table 1 of EASA AD 2020–0173 (1) For EASA AD 2020–0173, contact the (NPRM). specifies a compliance time of ‘‘without EASA, Konrad-Adenauer-Ufer 3, 50668 SUMMARY exceeding the previous threshold and Cologne, Germany; telephone +49 221 8999 : The FAA proposes to adopt a interval as specified in TLD Revision 16’’ for 000; email [email protected]; internet new airworthiness directive (AD) for this AD use ‘‘without exceeding the www.easa.europa.eu. You may find this certain De Havilland Aircraft of Canada compliance times specified in paragraph (g) EASA AD on the EASA website at https:// Limited Model DHC–8–400, –401, and of this AD.’’ ad.easa.europa.eu. –402 airplanes. This proposed AD was

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prompted by a report of main landing Services Section, FAA, New York ACO Discussion gear (MLG) retractions after striking an Branch, 1600 Stewart Avenue, Suite Transport Canada Civil Aviation obstacle or severe wheel imbalance after 410, Westbury, NY 11590; telephone (TCCA), which is the aviation authority a tire failure. This proposed AD would 516–228–7323; fax 516–794–5531; email for Canada, has issued Canadian AD require inspections for correct height of [email protected]. CF–2016–31R1, dated 24, 2017 the lock link over-center stop pin and SUPPLEMENTARY INFORMATION: (referred to after this as the Mandatory for correct gaps of the left-hand and Comments Invited Continuing Airworthiness Information, right-hand MLG downlock proximity or ‘‘the MCAI’’), to correct an unsafe The FAA invites you to send any sensors, replacement of the shim if condition for certain De Havilland written relevant data, views, or necessary, and corrective actions, and Aircraft of Canada Limited Model DHC– arguments about this proposal. Send installation of a new improved 8–400, –401, and –402 airplanes. You your comments to an address listed proximity sensor electronic unit (PSEU) may examine the MCAI in the AD under the ADDRESSES section. Include with software changes. The FAA is docket on the internet at https:// proposing this AD to address the unsafe ‘‘Docket No. FAA–2020–0975; Product Identifier 2020–NM–061–AD’’ at the www.regulations.gov by searching for condition on these products. and locating Docket No. FAA–2020– DATES: The FAA must receive comments beginning of your comments. The most helpful comments reference a specific 0975. on this proposed AD by 17, This proposed AD was prompted by 2020. portion of the proposal, explain the reason for any recommended change, a report of MLG retractions after striking ADDRESSES: You may send comments, and include supporting data. The FAA an obstacle or severe wheel imbalance using the procedures found in 14 CFR will consider all comments received by after a tire failure. The FAA is proposing 11.43 and 11.45, by any of the following the closing date and may amend the this AD to address loss of MLG methods: downlock signal caused by the • proposal because of those comments. Federal eRulemaking Portal: Go to Except for Confidential Business vibrations from those events, which https://www.regulations.gov. Follow the Information (CBI) as described in the leads to de-energizing the MLG solenoid instructions for submitting comments. following paragraph, and other sequence valve (SSV) and subsequent • Fax: 202–493–2251. removal of hydraulic pressure from the • information as described in 14 CFR Mail: U.S. Department of 11.35, the FAA will post all comments MLG downlock actuator. Loss of the Transportation, Docket Operations, M– received, without change, to https:// hydraulic pressure in the downlock 30, West Building Ground Floor, Room www.regulations.gov, including any actuator, combined with the vibrations, W12–140, 1200 New Jersey Avenue SE, personal information you provide. The can cause the stabilizer brace to unlock Washington, DC 20590. and the MLG to subsequently retract. • agency will also post a report Hand Delivery: Deliver to Mail summarizing each substantive verbal See the MCAI for additional background address above between 9 a.m. and 5 contact received about this proposed information. p.m., Monday through Friday, except AD. Federal holidays. Related Service Information Under 1 For service information identified in Confidential Business Information CFR Part 51 this NPRM, contact De Havilland CBI is commercial or financial De Havilland Aircraft of Canada Aircraft of Canada Limited, Q-Series information that is both customarily and Limited has issued Bombardier Service Technical Help Desk, 123 Garratt actually treated as private by its owner. Bulletin 84–32–140, Revision B, dated Boulevard, Toronto, Ontario M3K 1Y5, Under the Freedom of Information Act 30, 2018. This service Canada; telephone 416–375–4000; fax (FOIA) (5 U.S.C. 552), CBI is exempt information describes set-up procedures 416–375–4539; email thd@ from public disclosure. If your for proper configuration of the MLG dehavilland.com; internet https:// comments responsive to this NPRM prior to performing subsequent dehavilland.com. You may view this contain commercial or financial procedures for inspections for correct service information at the FAA, information that is customarily treated height of the lock link over-center stop Airworthiness Products Section, as private, that you actually treat as pin and for correct gaps of the left-hand Operational Safety Branch, 2200 South private, and that is relevant or and right-hand MLG downlock 216th St., Des Moines, WA. For responsive to this NPRM, it is important proximity sensors, and replacement of information on the availability of this that you clearly designate the submitted the shim. material at the FAA, call 206–231–3195. comments as CBI. Please mark each De Havilland Aircraft of Canada Examining the AD Docket page of your submission containing CBI Limited has also issued Bombardier as ‘‘PROPIN.’’ The FAA will treat such Service Bulletin 84–32–143, Revision B, You may examine the AD docket on marked submissions as confidential dated , 2016, which the internet at https:// under the FOIA, and they will not be describes procedures for installation of www.regulations.gov by searching for placed in the public docket of this a new, improved PSEU, PSEU 30145– and locating Docket No. FAA–2020– NPRM. Submissions containing CBI 0601, with software changes. 0975; or in person at Docket Operations should be sent to Darren Gassetto, De Havilland Aircraft of Canada between 9 a.m. and 5 p.m., Monday Aerospace Engineer, Mechanical Limited has also issued Bombardier through Friday, except Federal holidays. Systems and Administrative Services Service Bulletin 84–32–149, dated The AD docket contains this NPRM, any Section, FAA, New York ACO Branch, November 16, 2016, which describes comments received, and other 1600 Stewart Avenue, Suite 410, procedures for installation of a new, information. The street address for Westbury, NY 11590; telephone 516– improved PSEU, PSEU 30145–0602, Docket Operations is listed above. 228–7323; fax 516–794–5531; email 9- with software changes. Comments will be available in the AD [email protected]. Any These documents are distinct since docket shortly after receipt. commentary that the FAA receives they apply to different airplane FOR FURTHER INFORMATION CONTACT: which is not specifically designated as configurations. This service information Darren Gassetto, Aerospace Engineer, CBI will be placed in the public docket is reasonably available because the Mechanical Systems and Administrative for this rulemaking. interested parties have access to it

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through their normal course of business notified of the unsafe condition Proposed Requirements of This NPRM or by the means identified in the described in the MCAI and service This proposed AD would require ADDRESSES section. information referenced above. The FAA accomplishing the actions specified in is proposing this AD because the FAA FAA’s Determination the service information described evaluated all the relevant information previously. This product has been approved by and determined the unsafe condition the aviation authority of another described previously is likely to exist or Costs of Compliance country, and is approved for operation develop on other products of the same The FAA estimates that this proposed in the . Pursuant to the type design. AD affects 57 airplanes of U.S. registry. FAA’s bilateral agreement with the State The FAA estimates the following costs of Design Authority, the FAA has been to comply with this proposed AD:

ESTIMATED COSTS FOR REQUIRED ACTIONS

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

Up to 12 work-hours × $85 per hour = Up to $1,020 ...... Up to $4,750 ...... Up to $5,770 ...... Up to $328,890.

The FAA estimates the following the results of any required actions. The number of aircraft that might need these costs to do any necessary on-condition FAA has no way of determining the on-condition actions: actions that would be required based on

ESTIMATED COSTS OF ON-CONDITION ACTIONS

Cost per Labor cost Parts cost product

1 work-hour × $85 per hour = $85 ...... $374 $459

Authority for This Rulemaking For the reasons discussed above, I 2020–0975; Product Identifier 2020– certify this proposed regulation: NM–061–AD. Title 49 of the United States Code (1) Is not a ‘‘significant regulatory (a) Comments Due Date specifies the FAA’s authority to issue action’’ under Executive Order 12866, rules on aviation safety. Subtitle I, The FAA must receive comments by (2) Will not affect intrastate aviation section 106, describes the authority of , 2020. in Alaska, and the FAA Administrator. Subtitle VII: (3) Will not have a significant (b) Affected ADs Aviation Programs, describes in more economic impact, positive or negative, None. detail the scope of the Agency’s on a substantial number of small entities authority. (c) Applicability under the criteria of the Regulatory This AD applies to De Havilland Aircraft The FAA is issuing this rulemaking Flexibility Act. under the authority described in of Canada Limited (type certificate List of Subjects in 14 CFR Part 39 previously held by Bombardier, Inc.) Model Subtitle VII, Part A, Subpart III, Section DHC–8–400, –401, and –402 airplanes, 44701: General requirements. Under Air transportation, Aircraft, Aviation certificated in any category, having serial that section, Congress charges the FAA safety, Incorporation by reference, number 4001, and 4003 through 4534 with promoting safe flight of civil Safety. inclusive. aircraft in air commerce by prescribing (d) Subject regulations for practices, methods, and The Proposed Amendment procedures the Administrator finds Air Transport Association (ATA) of Accordingly, under the authority America Code 32, Landing Gear. necessary for safety in air commerce. delegated to me by the Administrator, This regulation is within the scope of the FAA proposes to amend 14 CFR part (e) Reason that authority because it addresses an 39 as follows: This AD was prompted by a report of main unsafe condition that is likely to exist or landing gear (MLG) retractions after striking develop on products identified in this PART 39—AIRWORTHINESS an obstacle or severe wheel imbalance after rulemaking action. DIRECTIVES a tire failure. The FAA is issuing this AD to address loss of MLG downlock signal caused Regulatory Findings ■ 1. The authority citation for part 39 by the vibrations from those events, which leads to de-energizing the MLG solenoid The FAA determined that this continues to read as follows: sequence valve and subsequent removal of proposed AD would not have federalism Authority: 49 U.S.C. 106(g), 40113, 44701. hydraulic pressure from the MLG downlock implications under Executive Order actuator. Loss of the hydraulic pressure in 13132. This proposed AD would not § 39.13 [Amended] the downlock actuator, combined with the have a substantial direct effect on the ■ 2. The FAA amends § 39.13 by adding vibrations, can cause the stabilizer brace to States, on the relationship between the the following new airworthiness unlock and the MLG to subsequently retract. national Government and the States, or directive (AD): (f) Compliance on the distribution of power and De Havilland Aircraft of Canada Limited Comply with this AD within the responsibilities among the various (Type Certificate Previously Held by compliance times specified, unless already levels of government. Bombardier, Inc.): Docket No. FAA– done.

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(g) Downlock Sensor Rigging and Reduced (2) Contacting the Manufacturer: For any Newburyport, MA, as Plum Island Lock Link Over-Center requirement in this AD to obtain instructions Airport no longer has instrument Within 9 months after the effective date of from a manufacturer, the instructions must approaches, and controlled airspace is this AD: Verify both the height of the lock be accomplished using a method approved by the Manager, New York ACO Branch, no longer required. This action would link over-center stop pin and the gap of the enhance the safety and management of left-hand and right-hand MLG downlock FAA; or Transport Canada Civil Aviation (TCCA); or De Havilland Aircraft of Canada controlled airspace within the national proximity sensors, and perform corrective airspace system. actions as required, in accordance with Limited’s TCCA Design Approval paragraphs 3.A. and 3.B. of the Organization (DAO). If approved by the DAO, DATES: Comments must be received on the approval must include the DAO- Accomplishment Instructions of Bombardier or before December 17, 2020. authorized signature. Service Bulletin 84–32–140, Revision B, ADDRESSES: Send comments on this rule dated , 2018. Do all applicable (l) Related Information to: U.S. Department of Transportation, corrective actions before further flight. (1) Refer to Mandatory Continuing Docket Operations, 1200 New Jersey (h) Installation of Proximity Sensor Airworthiness Information (MCAI) Canadian Avenue SE, West Building Ground Electronic Unit (PSEU) 30145–0601 AD CF–2016–31R1, dated , 2017, Floor, Room W12–140, Washington, DC for related information. This MCAI may be 20590–0001; Telephone: (800) 647– Within 18 months after the effective date found in the AD docket on the internet at of this AD, install PSEU 30145–0601 in https://www.regulations.gov by searching for 5527, or (202) 366–9826. You must accordance with paragraphs 3.A. and 3.B. of and locating Docket No. FAA–2020–0975. identify the Docket No. FAA–2020– the Accomplishment Instructions of (2) For more information about this AD, 0924; Airspace Docket No. 20–ANE–1, Bombardier Service Bulletin 84–32–143, contact Darren Gassetto, Aerospace Engineer, at the beginning of your comments. You Revision B, dated November 16, 2016. Mechanical Systems and Administrative may also submit comments through the (i) Installation of PSEU 30145–0602 Services Section, FAA, New York ACO internet at https://www.regulations.gov. Branch, 1600 Stewart Avenue, Suite 410, Installing PSEU 30145–0602 in accordance FAA Order 7400.11E, Airspace Westbury, NY 11590; telephone 516–228– Designations and Reporting Points, and with paragraphs 3.A. and 3.B. of the 7323; fax 516–794–5531; email 9-avs-nyaco- Accomplishment Instructions of Bombardier subsequent amendments can be viewed [email protected]. _ Service Bulletin 84–32–149, dated November (3) For information about AMOCs, contact online at https://www.faa.gov/air 16, 2016, also accomplishes the requirements ATTN: Program Manager, Continuing traffic/publications/. For further of paragraphs (g) and (h) of this AD. Operational Safety, FAA, New York ACO information, you can contact the (j) Credit for Previous Actions Branch, 1600 Stewart Avenue, Suite 410, Airspace Policy Group, Federal Aviation Westbury, NY 11590; telephone 516–228– Administration, 800 Independence (1) This paragraph provides credit for 7300; fax 516–794–5531. actions required by paragraph (g) of this AD, Avenue SW, Washington, DC, 20591; (4) For service information identified in Telephone: 202–267–8783. The Order is if those actions were performed before the this AD, contact De Havilland Aircraft of effective date of this AD using the service Canada Limited, Q-Series Technical Help also available for inspection at the information as specified in paragraphs Desk, 123 Garratt Boulevard, Toronto, National Archives and Records (j)(1)(i) and (ii) of this AD. Ontario M3K 1Y5, Canada; telephone 416– Administration (NARA). For (i) Bombardier Service Bulletin 84–32–140, 375–4000; fax 416–375–4539; email thd@ information on the availability of FAA dated , 2016. dehavilland.com; internet https:// Order 7400.11E at NARA, email (ii) Bombardier Service Bulletin 84–32– dehavilland.com. You may view this service [email protected] or go to https:// 140, Revision A, dated 12, 2017. information at the FAA, Airworthiness www.archives.gov/federal-register/cfr/ (2) This paragraph provides credit for Products Section, Operational Safety Branch, actions required by paragraphs (g) and (h) of 2200 South 216th St., Des Moines, WA. For ibr-locations.html. this AD, if PSEU 30145–0601 was installed information on the availability of this FOR FURTHER INFORMATION CONTACT: John before the effective date of this AD using the material at the FAA, call 206–231–3195. Fornito, Operations Support Group, service information as specified in Issued on , 2020. Eastern Service Center, Federal Aviation paragraphs (j)(2)(i) and (ii) of this AD. Lance T. Gant, Administration, 1701 Columbia Ave., (i) Bombardier Service Bulletin 84–32–143, College Park, GA 30337; telephone (404) Director, Compliance & Airworthiness dated , 2016. 305–6364. (ii) Bombardier Service Bulletin 84–32– Division, Aircraft Certification Service. SUPPLEMENTARY INFORMATION 143, Revision A, dated August 5, 2016. [FR Doc. 2020–24040 Filed 10–30–20; 8:45 am] : (k) Other FAA AD Provisions BILLING CODE 4910–13–P Authority for This Rulemaking The following provisions also apply to this The FAA’s authority to issue rules AD: DEPARTMENT OF TRANSPORTATION regarding aviation safety is found in (1) Alternative Methods of Compliance Title 49 of the United States Code. (AMOCs): The Manager, New York ACO Federal Aviation Administration Subtitle I, Section 106 describes the Branch, FAA, has the authority to approve authority of the FAA Administrator. AMOCs for this AD, if requested using the Subtitle VII, Aviation Programs, procedures found in 14 CFR 39.19. In 14 CFR Part 71 accordance with 14 CFR 39.19, send your describes in more detail the scope of the [Docket No. FAA–2020–0924; Airspace agency’s authority. This proposed request to your principal inspector or local Docket No. 20–ANE–1] Flight Standards District Office, as rulemaking is promulgated under the appropriate. If sending information directly RIN 2120–AA66 authority described in Subtitle VII, part to the manager of the certification office, A, Subpart I, Section 40103. Under that send it to ATTN: Program Manager, Proposed Revocation of Class E section, the FAA is charged with Continuing Operational Safety, FAA, New Airspace; Newburyport, MA prescribing regulations to assign the use York ACO Branch, 1600 Stewart Avenue, AGENCY: Federal Aviation of airspace necessary to ensure the Suite 410, Westbury, NY 11590; telephone safety of aircraft and the efficient use of 516–228–7300; fax 516–794–5531. Before Administration (FAA), DOT. using any approved AMOC, notify your ACTION: Notice of proposed rulemaking airspace. This regulation is within the appropriate principal inspector, or lacking a (NPRM). scope of that authority as it would principal inspector, the manager of the local remove Class E airspace extending flight standards district office/certificate SUMMARY: This action proposes to upward from 700 feet above the surface holding district office. remove Class E airspace at at Plum Island Airport, Newburyport,

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