81 FR 18806 - Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration Federal Register Volume 81, Issue 63 (April 1, 2016)
Federal Aviation Administration
Federal Register Volume 81, Issue 63 (April 1, 2016)
| Page Range | 18806-18808 | |
| FR Document | 2016-07378 |
[Federal Register Volume 81, Number 63 (Friday, April 1, 2016)] [Proposed Rules] [Pages 18806-18808] From the Federal Register Online [www.thefederalregister.org] [FR Doc No: 2016-07378] ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2016-4551; Directorate Identifier 2016-NE-07-AD] RIN 2120-AA64 Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines AGENCY: Federal Aviation Administration (FAA), DOT. [[Page 18807]] ACTION: Notice of proposed rulemaking (NPRM). ----------------------------------------------------------------------- SUMMARY: We propose to adopt a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-710A1-10, - 710A2-20, and -710C4-11 turbofan engines. This proposed AD was prompted by a seized low-pressure turbine (LPT) fuel shut-off pawl carrier caused by corrosion of the pawl carrier pivot pin. This proposed AD would require removing the pawl carrier pivot pins, part number (P/N) BRR17117, from service and replacing them with parts eligible for installation. We are proposing this AD to prevent failure of the fuel shut-off mechanism, uncontained part release, damage to the engine, and damage to the airplane. DATES: We must receive comments on this proposed AD by May 31, 2016. ADDRESSES: You may send comments by any of the following methods:Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the instructions for submitting comments. Mail: Docket Management Facility, U.S. Department of Transportation, 1200 New Jersey Avenue SE., West Building Ground Floor, Room W12-140, Washington, DC 20590-0001. Hand Delivery: Deliver to Mail address above between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. Fax: 202-493-2251. Examining the AD Docket You may examine the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2016- 4551; or in person at the Docket Operations office between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this proposed AD, the mandatory continuing airworthiness information (MCAI), the regulatory evaluation, any comments received, and other information. The address for the Docket Office (phone: 800- 647-5527) is in the ADDRESSES section. Comments will be available in the AD docket shortly after receipt. FOR FURTHER INFORMATION CONTACT: Philip Haberlen, Aerospace Engineer, Engine Certification Office, FAA, Engine & Propeller Directorate, 1200 District Avenue, Burlington, MA 01803; phone: 781-238-7770; fax: 781- 238-7199; email: [email protected]. SUPPLEMENTARY INFORMATION: Comments Invited We invite you to send any written relevant data, views, or arguments about this NPRM. Send your comments to an address listed under the ADDRESSES section. Include ``Docket No. FAA-2016-4551; Directorate Identifier 2016-NE-07-AD'' at the beginning of your comments. We specifically invite comments on the overall regulatory, economic, environmental, and energy aspects of this NPRM. We will consider all comments received by the closing date and may amend this NPRM based on those comments. We will post all comments we receive, without change, to http://www.regulations.gov, including any personal information you provide. We will also post a report summarizing each substantive verbal contact with FAA personnel concerning this NPRM. Discussion The European Aviation Safety Agency (EASA), which is the Technical Agent for the Member States of the European Community, has issued EASA AD 2016-0034, dated February 24, 2016 (referred to hereinafter as ``the MCAI''), to correct an unsafe condition for the specified products. The MCAI states: Seizing of a fuel shut-off mechanism pawl carrier was reported. The subsequent investigation determined that corrosion of the pawl carrier pivot pin P/N BRR17117, was the failure cause. This condition, if not corrected, could lead to loss of the fuel shut-off mechanism functionality and loss of the engine over-speed protection, possibly resulting in release of high-energy debris, with consequent damage to, and/or reduced control of the airplane. You may obtain further information by examining the MCAI in the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2016-4551. FAA's Determination and Requirements of This Proposed AD This product has been approved by the aviation authority of Germany, and is approved for operation in the United States. Pursuant to our bilateral agreement with the European Community, EASA has notified us of the unsafe condition described in the MCAI and service information referenced above. We are proposing this AD because we evaluated all information provided by EASA and determined the unsafe condition exists and is likely to exist or develop on other products of the same type design. This NPRM would require removing the pawl carrier pivot pin, P/N BRR17117, from service and replacing with a part eligible for installation. Related Service Information RRD has issued ASB SB-BR700-72-A101523, Revision 3, dated December 10, 2015. The service information describes procedures for replacing the pawl carrier pivot pins. 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 We estimate that this proposed AD affects 4 engines installed on airplanes of U.S. registry. We also estimate that it would take about 3 hours per engine to comply with this proposed AD. The average labor rate is $85 per hour. Required parts cost about $860 per engine. Based on these figures, we estimate the cost of this proposed AD on U.S. operators to be $4,460. 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. We are issuing this rulemaking under the authority described in ``Subtitle VII, Part A, Subpart III, Section 44701: General requirements.'' Under that section, Congress charges the FAA with promoting safe flight of civil aircraft in air commerce by prescribing regulations for practices, methods, and procedures the Administrator finds necessary for safety in air commerce. This regulation is within the scope of that authority because it addresses an unsafe condition that is likely to exist or develop on products identified in this rulemaking action. Regulatory Findings We determined that this proposed AD would not have federalism implications under Executive Order 13132. This proposed AD would not have a substantial direct effect on the States, on the relationship between the national Government and the States, or on the distribution of power and responsibilities among the various levels of government. For the reasons discussed above, I certify this proposed regulation: (1) Is not a ``significant regulatory action'' under Executive Order 12866, (2) Is not a ``significant rule'' under the DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979), [[Page 18808]] (3) Will not affect intrastate aviation in Alaska to the extent that it justifies making a regulatory distinction, and (4) 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. The Proposed Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA proposes to amend 14 CFR part 39 as follows: PART 39--AIRWORTHINESS DIRECTIVES 0 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. Sec. 39.13 [Amended] 0 2. The FAA amends Sec. 39.13 by adding the following new airworthiness directive (AD): Rolls-Royce Deutschland GmbH (Type Certificate previously held by Rolls-Royce Deutschland GmbH, formerly BMW Rolls-Royce GmbH): Docket No. FAA-2016-4551; Directorate Identifier 2016-NE-07-AD. (a) Comments Due Date We must receive comments by May 31, 2016. (b) Affected ADs None. (c) Applicability (1) This AD applies to: (i) Rolls-Royce Deutschland (RRD) BR700-710A1-10 engines with serial number (S/N) 11505 and below and with a low-pressure turbine (LPT) module, part number (P/N) M51-104 or P/N M51-111, installed; (ii) RRD BR700-710A2-20 engines with S/N 12492 and below and with an LPT module, P/N M51-108 or P/N M51-111, installed; (iii) RRD BR700-710C4-11 engines with S/N 15277 and below, with configuration standard 710C4-11 engraved on the engine data plate and with an LPT module, P/N M51-112, installed; and (iv) RRD BR700-710C4-11 engines with S/N 15329 and below, with configuration standard 710C4-11/10 engraved on the engine data plate and with an LPT module, P/N M51-112, installed. (2) Reserved. (d) Reason This AD was prompted by a seized LPT fuel shut-off pawl carrier caused by corrosion of the pawl carrier pivot pin. We are issuing this AD to prevent failure of the fuel shut-off mechanism, uncontained part release, damage to the engine, and damage to the airplane. (e) Actions and Compliance Comply with this AD within the compliance times specified, unless already done. (1) Within 6 months after the effective date of this AD, remove each pawl carrier pivot pin, P/N BRR17117, from service and replace with a part eligible for installation. (2) Reserved. (f) Alternative Methods of Compliance (AMOCs) The Manager, Engine Certification Office, FAA, may approve AMOCs for this AD. Use the procedures found in 14 CFR 39.19 to make your request. You may email your request to: [email protected]. (g) Related Information (1) For more information about this AD, contact Philip Haberlen, Aerospace Engineer, Engine Certification Office, FAA, Engine & Propeller Directorate, 1200 District Avenue, Burlington, MA 01803; phone: 781-238-7770; fax: 781-238-7199; email: [email protected]. (2) Refer to MCAI European Aviation Safety Agency AD 2016-0034, dated February 24, 2016, for more information. You may examine the MCAI in the AD docket on the Internet at http://www.regulations.gov by searching for and locating it in Docket No. FAA-2016-4551. (3) RRD Alert Service Bulletin SB-BR700-72-A101523, Revision 3, dated December 10, 2015, can be obtained from RRD using the contact information in paragraph (g)(4) of this AD. (4) For service information identified in this AD, contact Rolls-Royce Deutschland Ltd & Co KG, Eschenweg 11, Dahlewitz, 15827 Blankenfelde-Mahlow, Germany; phone: +49 (0) 33 7086 2673; fax: +49 (0) 33 7086 3276. (5) You may view this service information at the FAA, Engine & Propeller Directorate, 1200 District Avenue, Burlington, MA 01803. For information on the availability of this material at the FAA, call 781-238-7125. Issued in Burlington, Massachusetts, on March 25, 2016. Colleen M. D'Alessandro, Manager, Engine & Propeller Directorate, Aircraft Certification Service. [FR Doc. 2016-07378 Filed 3-31-16; 8:45 am] BILLING CODE 4910-13-P
![18806 Federal Register / Vol. 81, No. 63 / Friday, April 1, 2016 / Proposed Rules
distribution of power and with repair or replacement, as necessary, of instructions, completing and reviewing the
responsibilities among the various the cockpit control column. We are collection of information. All responses to
levels of government. proposing this AD to correct the unsafe this collection of information are mandatory.
condition on these products. Comments concerning the accuracy of this
For the reasons discussed above, I
burden and suggestions for reducing the
certify this proposed regulation: (f) Compliance
burden should be directed to the FAA at: 800
(1) Is not a ‘‘significant regulatory Comply with paragraphs (g)(1) through Independence Ave. SW., Washington, DC
action’’ under Executive Order 12866, (g)(2) of this AD using the following service 20591, Attn: Information Collection
(2) Is not a ‘‘significant rule’’ under bulletins within the compliance times Clearance Officer, AES–200.
the DOT Regulatory Policies and specified below, unless already done:
(1) For Models SA26–T and SA26–AT: M7 (i) Alternative Methods of Compliance
Procedures (44 FR 11034, February 26, (AMOCs)
Aerospace LLC Service Bulletin (SB) 26–27–
1979), 002, dated October 8, 2015;
(3) Will not affect intrastate aviation (1) The Manager, Fort Worth Airplane
(2) For Models SA226–AT, SA226–T, Certification Office, FAA, has the authority to
in Alaska, and SA226–T(B), and SA226–TC: M7 Aerospace approve AMOCs for this AD, if requested
(4) Will not have a significant LLC SB 226–27–078, dated October 8, 2015; using the procedures found in 14 CFR 39.19.
economic impact, positive or negative, (3) For Models SA227–AC(C–26A), SA227– In accordance with 14 CFR 39.19, send your
on a substantial number of small entities AT, SA227–BC(C–26A), and SA227–TT: M7 request to your principal inspector or local
under the criteria of the Regulatory Aerospace LLC SB 227–27–058, dated Flight Standards District Office, as
Flexibility Act. October 8, 2015; or appropriate. If sending information directly
(4) For Models SA227–CC and SA227–DC to the manager of the ACO, send it to the
List of Subjects in 14 CFR Part 39 (C–26B): M7 Aerospace LLC SB CC7–27–030, attention of the person identified in
dated October 8, 2015. paragraph (j) of this AD.
Air transportation, Aircraft, Aviation
safety, Incorporation by reference, (g) Actions (2) Before using any approved AMOC,
notify your appropriate principal inspector,
Safety. (1) For all airplanes: Within the next 2,000 or lacking a principal inspector, the manager
hours time-in-service (TIS) after the effective
The Proposed Amendment of the local flight standards district office/
date of this AD or no later than when the
certificate holding district office.
Accordingly, under the authority airplane accumulates 20,000 hours TIS,
delegated to me by the Administrator, whichever occurs later, do an initial (j) Related Information
the FAA proposes to amend 14 CFR part inspection of the cockpit control column (1) For more information about this AD,
horizontal tube for cracks following contact Andrew McAnaul, Aerospace
39 as follows: paragraph 2.B. of the Accomplishment Engineer, FAA, ASW–143 (c/o San Antonio
Instructions of the service bulletins identified MIDO), 10100 Reunion Place, Suite 650, San
PART 39—AIRWORTHINESS in paragraphs (f)(1), (f)(2), (f)(3), or (f)(4) of
DIRECTIVES Antonio, Texas 78216; phone: (210) 308–
this AD, as applicable; and repetitively 3365; fax: (210) 308–3370; email:
inspect as follows:
■ 1. The authority citation for part 39 andrew.mcanaul@faa.gov.
(i) For airplanes with less than 35,000
continues to read as follows: (2) For service information identified in
hours TIS as of the effective date of this AD:
this AD, contact M7 Aerospace LLC, 10823
Authority: 49 U.S.C. 106(g), 40113, 44701. Repetitively inspect the cockpit control
NE Entrance Road, San Antonio, Texas
column horizontal tube for cracks every
78216; phone: (210) 824–9421; fax: (210)
§ 39.13 [Amended] 5,000 hours TIS until the airplane reaches
804–7766; Internet: http://www.elbitsystems-
■ 2. The FAA amends § 39.13 by adding 35,000 hours TIS at which time do the
us.com; email: MetroTech@
inspection within 2,000 hours TIS from the
the following new airworthiness last inspection or within the next 100 hours
M7Aerospace.com. You may view this
directive (AD): referenced service information at the FAA,
TIS, whichever occurs later, and then
thereafter at intervals not to exceed 2,000 Small Airplane Directorate, 901 Locust,
M7 Aerospace LLC: Docket No. FAA–2016– Kansas City, Missouri 64106. For information
5431; Directorate Identifier 2015–CE– hours TIS.
(ii) For airplanes with 35,000 hours TIS or on the availability of this material at the
044–AD. FAA, call 816–329–4148.
more as of the effective date of this AD:
(a) Comments Due Date Repetitively inspect the cockpit control Issued in Kansas City, Missouri, on March
We must receive comments by May 16, column horizontal tube for cracks every 28, 2016.
2016. 2,000 hours TIS. Jacqueline Jambor,
(2) For all airplanes: If any cracks are
(b) Affected ADs Acting Manager, Small Airplane Directorate,
found following the inspections required in
paragraphs (g)(1), (g)(1)(i), or (g)(1)(ii), as Aircraft Certification Service.
None.
applicable, before further flight, repair the [FR Doc. 2016–07371 Filed 3–31–16; 8:45 am]
(c) Applicability control column following paragraph 2.C. of BILLING CODE 4910–13–P
This AD applies to M7 Aerospace LLC the Accomplishment Instructions of the
Models SA26–AT, SA26–T, SA226–AT, service bulletins identified in paragraphs
SA226–T, SA226–T(B), SA226–TC, SA227– (f)(1), (f)(2), (f)(3), or (f)(4) of this AD. DEPARTMENT OF TRANSPORTATION
AC (C–26A), SA227–AT, SA227–BC (C–26A),
SA227–CC, SA227–DC (C–26B), and SA227– (h) Paperwork Reduction Act Burden
Statement Federal Aviation Administration
TT airplanes, all serial numbers, certificated
in any category. A federal agency may not conduct or
sponsor, and a person is not required to 14 CFR Part 39
(d) Subject respond to, nor shall a person be subject to [Docket No. FAA–2016–4551; Directorate
Joint Aircraft System Component (JASC)/ a penalty for failure to comply with a Identifier 2016–NE–07–AD]
Lhorne on DSK5TPTVN1PROD with PROPOSALS
Air Transport Association (ATA) of America collection of information subject to the
Code 2700, Flight Controls. requirements of the Paperwork Reduction RIN 2120–AA64
Act unless that collection of information
(e) Unsafe Condition displays a current valid OMB Control Airworthiness Directives; Rolls-Royce
This AD was prompted by reports of Number. The OMB Control Number for this Deutschland Ltd & Co KG Turbofan
multiple cracks in the steel horizontal tube information collection is 2120–0056. Public Engines
of the cockpit control column. We are issuing reporting for this collection of information is
this AD to require repetitive inspections of estimated to be approximately 5 minutes per AGENCY:Federal Aviation
the cockpit control column horizontal tube response, including the time for reviewing Administration (FAA), DOT.
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(3) Will not affect intrastate aviation off mechanism, uncontained part release, ACTION:Supplemental notice of
in Alaska to the extent that it justifies damage to the engine, and damage to the proposed rulemaking; re-opening of the
making a regulatory distinction, and airplane. comment period for specific issues.
(4) Will not have a significant (e) Actions and Compliance
economic impact, positive or negative, SUMMARY: On December 3, 2014, the
Comply with this AD within the Department published a notice of
on a substantial number of small entities compliance times specified, unless already
under the criteria of the Regulatory proposed rulemaking (NPRM) to
done.
Flexibility Act. (1) Within 6 months after the effective date
implement requirements for the teacher
of this AD, remove each pawl carrier pivot preparation program accountability
List of Subjects in 14 CFR Part 39 pin, P/N BRR17117, from service and replace system under title II of the Higher
Air transportation, Aircraft, Aviation with a part eligible for installation. Education Act of 1965, as amended
safety, Incorporation by reference, (2) Reserved. (HEA), and also to amend the
Safety. regulations governing the Teacher
(f) Alternative Methods of Compliance
(AMOCs) Education Assistance for College and
The Proposed Amendment Higher Education (TEACH) Grant
The Manager, Engine Certification Office,
Accordingly, under the authority Program under title IV of the HEA. The
FAA, may approve AMOCs for this AD. Use
delegated to me by the Administrator, the procedures found in 14 CFR 39.19 to
comment period closed on February 2,
the FAA proposes to amend 14 CFR part make your request. You may email your 2015.
39 as follows: request to: ANE-AD-AMOC@faa.gov. The Department received over 4,800
comments in response to the NPRM.
(g) Related Information Some commenters requested
PART 39—AIRWORTHINESS
DIRECTIVES (1) For more information about this AD, clarification regarding how the
contact Philip Haberlen, Aerospace Engineer, proposed State reporting requirements
■ 1. The authority citation for part 39 Engine Certification Office, FAA, Engine & would affect teacher preparation
continues to read as follows: Propeller Directorate, 1200 District Avenue, programs provided through distance
Burlington, MA 01803; phone: 781–238–
Authority: 49 U.S.C. 106(g), 40113, 44701. education and TEACH Grant eligibility
7770; fax: 781–238–7199; email:
philip.haberlen@faa.gov. for students enrolled in teacher
§ 39.13 [Amended] (2) Refer to MCAI European Aviation preparation programs provided through
■ 2. The FAA amends § 39.13 by adding Safety Agency AD 2016–0034, dated distance education. In response to these
the following new airworthiness February 24, 2016, for more information. You comments, the Department is
directive (AD): may examine the MCAI in the AD docket on considering revising the proposed
Rolls-Royce Deutschland GmbH (Type
the Internet at http://www.regulations.gov by regulations to clarify these areas.
searching for and locating it in Docket No. This supplemental notice of proposed
Certificate previously held by Rolls-
FAA–2016–4551. rulemaking (supplemental NPRM)
Royce Deutschland GmbH, formerly
(3) RRD Alert Service Bulletin SB–BR700– therefore reopens the public comment
BMW Rolls-Royce GmbH): Docket No.
72–A101523, Revision 3, dated December 10, period on the Teacher Preparation
FAA–2016–4551; Directorate Identifier
2015, can be obtained from RRD using the
2016–NE–07–AD. Issues proposed rule for 30 days solely
contact information in paragraph (g)(4) of this
AD. to seek comment on these specific
(a) Comments Due Date
(4) For service information identified in issues. The Department is not soliciting
We must receive comments by May 31, comments on any other issues related to
2016. this AD, contact Rolls-Royce Deutschland Ltd
& Co KG, Eschenweg 11, Dahlewitz, 15827 the December 3, 2014, NPRM, and the
(b) Affected ADs Blankenfelde-Mahlow, Germany; phone: +49 Department will not consider public
None. (0) 33 7086 2673; fax: +49 (0) 33 7086 3276. comments that address issues other than
(5) You may view this service information those specific to reporting by States on
(c) Applicability at the FAA, Engine & Propeller Directorate, teacher preparation programs provided
(1) This AD applies to: 1200 District Avenue, Burlington, MA 01803. through distance education and TEACH
(i) Rolls-Royce Deutschland (RRD) BR700– For information on the availability of this
Grant eligibility requirements for
710A1–10 engines with serial number (S/N) material at the FAA, call 781–238–7125.
teacher preparation programs provided
11505 and below and with a low-pressure Issued in Burlington, Massachusetts, on through distance education.
turbine (LPT) module, part number (P/N) March 25, 2016.
M51–104 or P/N M51–111, installed; DATES: The comment period for a
Colleen M. D’Alessandro, specific topic in the NPRM published
(ii) RRD BR700–710A2–20 engines with
S/N 12492 and below and with an LPT Manager, Engine & Propeller Directorate, on December 3, 2014 (79 FR 71820), is
module, P/N M51–108 or P/N M51–111, Aircraft Certification Service. reopened. The due date for comments
installed; [FR Doc. 2016–07378 Filed 3–31–16; 8:45 am] discussed in this supplemental NPRM is
(iii) RRD BR700–710C4–11 engines with BILLING CODE 4910–13–P May 2, 2016.
S/N 15277 and below, with configuration
ADDRESSES: Submit your comments
standard 710C4–11 engraved on the engine
data plate and with an LPT module, P/N through the Federal eRulemaking Portal
M51–112, installed; and or via postal mail, commercial delivery,
DEPARTMENT OF EDUCATION
(iv) RRD BR700–710C4–11 engines with or hand delivery. We will not accept
S/N 15329 and below, with configuration 34 CFR Parts 612 and 686 comments by fax or by email. To ensure
standard 710C4–11/10 engraved on the that we do not receive duplicate copies,
Lhorne on DSK5TPTVN1PROD with PROPOSALS
engine data plate and with an LPT module, please submit your comments only one
P/N M51–112, installed. RIN 1840–AD07
time. In addition, please include the
(2) Reserved. Docket ID at the top of your comments.
[Docket ID ED–2014–OPE–0057] • Federal eRulemaking Portal: Go to
(d) Reason
This AD was prompted by a seized LPT Teacher Preparation Issues www.regulations.gov to submit your
fuel shut-off pawl carrier caused by corrosion comments electronically. Information
of the pawl carrier pivot pin. We are issuing AGENCY: Office of Postsecondary on using Regulations.gov, including
this AD to prevent failure of the fuel shut- Education, Department of Education. instructions for accessing agency
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Document Created: 2016-04-06 00:08:53
Document Modified: 2016-04-06 00:08:53
| Category | Regulatory Information | |
| Collection | Federal Register | |
| sudoc Class | AE 2.7: GS 4.107: AE 2.106: | |
| Publisher | Office of the Federal Register, National Archives and Records Administration | |
| Section | Proposed Rules | |
| Action | Notice of proposed rulemaking (NPRM). | |
| Dates | We must receive comments on this proposed AD by May 31, 2016. | |
| Contact | Philip Haberlen, Aerospace Engineer, Engine Certification Office, FAA, Engine & Propeller Directorate, 1200 District Avenue, Burlington, MA 01803; phone: 781-238-7770; fax: 781- 238-7199; email: [email protected] | |
| FR Citation | 81 FR 18806 | |
| RIN Number | 2120-AA64 | |
| CFR Associated | Air Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety |
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