Airworthiness Directives; Lycoming Engines Reciprocating Engines, 9837-9839 [2012-3862]

Download as PDF 9837 Rules and Regulations Federal Register Vol. 77, No. 34 Tuesday, February 21, 2012 This section of the FEDERAL REGISTER contains regulatory documents having general applicability and legal effect, most of which are keyed to and codified in the Code of Federal Regulations, which is published under 50 titles pursuant to 44 U.S.C. 1510. The Code of Federal Regulations is sold by the Superintendent of Documents. Prices of new books are listed in the first FEDERAL REGISTER issue of each week. Examining the AD Docket DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2011–0533; Directorate Identifier 2011–NE–16–AD; Amendment 39– 16948; AD 2012–03–07] RIN 2120–AA64 Airworthiness Directives; Lycoming Engines Reciprocating Engines Federal Aviation Administration (FAA), DOT. ACTION: Final rule. AGENCY: We are adopting a new airworthiness directive (AD) for certain Lycoming Engines reciprocating engines. This AD was prompted by a report of a ‘‘machined-from-billet’’ HA– 6 carburetor having a loose mixture control sleeve that rotated in the carburetor body causing restriction of fuel and power loss. This AD requires removing certain ‘‘machined-frombillet’’ Volare LLC (formerly Precision Airmotive Corporation, formerly Facet Aerospace Products Company, formerly Marvel-Schebler (BorgWarner)) HA–6 carburetors, inspecting for a loose mixture control sleeve or for a sleeve that may become loose, repairing the carburetor, or replacing the carburetor with one eligible for installation. We are issuing this AD to prevent engine inflight shutdown, power loss, and reduced control of the airplane. DATES: This AD is effective March 27, 2012. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in the AD as of March 27, 2012. ADDRESSES: For service information identified in this AD, contact MarvelSchebler Aircraft Carburetors LLC, 125 Piedmont Avenue, Gibsonville NC 27249; phone: 336–446–0002; fax: 336– mstockstill on DSK4VPTVN1PROD with RULES SUMMARY: VerDate Mar<15>2010 16:13 Feb 17, 2012 Jkt 226001 446–0007; email: customerservice@msacarbs.com; Web site: www.msacarbs.com. You may review copies of the referenced service information at the FAA, Engine & Propeller Directorate, 12 New England Executive Park, Burlington, MA. For information on the availability of this material at the FAA, call 781–238–7125. You may examine the AD docket on the Internet at https:// www.regulations.gov; or in person at the Docket Management Facility between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this AD, the regulatory evaluation, any comments received, and other information. The address for the Docket Office (phone: 800–647–5527) is Document Management Facility, 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: Kevin Brane, Aerospace Engineer, Propulsion, Atlanta Aircraft Certification Office, FAA, Small Airplane Directorate; 1701 Columbia Avenue, College Park, Georgia 30337; phone: 404–474–5582; fax: 404–474– 5606; email: kevin.brane@faa.gov. SUPPLEMENTARY INFORMATION: Discussion We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 to include an AD that would apply to the specified products. That NPRM published in the Federal Register on September 1, 2011 (76 FR 54397). That NPRM proposed to require removing certain ‘‘machined-frombillet’’ Volare LLC (formerly Precision Airmotive Corporation, formerly Facet Aerospace Products Company, formerly Marvel-Schebler (BorgWarner)) HA–6 carburetors, inspecting for a loose mixture control sleeve or for a sleeve that may become loose, repairing the carburetor, or replacing the carburetor with one eligible for installation. Comments We gave the public the opportunity to participate in developing this AD. The following presents the comment received on the proposal and the FAA’s response. PO 00000 Frm 00001 Fmt 4700 Sfmt 4700 Request To Incorporate All Affected Engine Models One commenter, a private citizen, requested that we incorporate all affected engine models with HA–6 model carburetors installed in the AD. The commenter provided a list, which he compiled from reviewing all applicable published Type Certificate Data Sheets (TCDS). We partially agree. We agree that some additional models are affected because the list provided by the commenter is mostly consistent with the applicable TCDS. We do not agree with the commenter on some of the models he thinks are affected, because we could not confirm they are affected, based on the TCDS. However, we determined that we need to change the applicability from a table of specific engine models, to all Lycoming Engines reciprocating engines with carburetor part numbers listed in Table 1 of the AD. We changed the AD applicability to all Lycoming Engines reciprocating engines with carburetor part numbers listed in Table 1 of the AD. Change to the Alternative Methods of Compliance (AMOC) Paragraph Since we issued the proposed AD, we found that we referenced the wrong office in the AMOC paragraph. We changed that sentence to state that the Manager, Atlanta Aircraft Certification Office, FAA, may approve AMOCs for this AD. Change to Service Information Marvel-Schebler Aircraft Carburetors LLC has revised their Marvel-Schebler Emergency Service Bulletin (SB) No. SB–18, dated October 14, 2010, to Revision A, dated March 15, 2011. We reviewed Revision A, and determined that it also is acceptable. We changed the incorporated by reference paragraph k of the AD to include the original issue and Revision A. Conclusion We reviewed the relevant data, considered the comment received, and determined that air safety and the public interest require adopting the AD with the changes described previously. We also determined that these changes will not increase the economic burden on any operator or increase the scope of the AD. E:\FR\FM\21FER1.SGM 21FER1 9838 Federal Register / Vol. 77, No. 34 / Tuesday, February 21, 2012 / Rules and Regulations Costs of Compliance We estimate that this AD affects 10,700 engines installed on aircraft of U.S. registry. We also estimate that it will take about 0.5 work-hours per aircraft to perform the inspection, and that about 409 carburetors will need repair. Approximately 2 work-hours per carburetor are required to repair the carburetor. The average labor rate is $85 per work-hour. Required parts will cost about $600 per carburetor. Based on these figures, we estimate the cost of the AD on U.S. operators to be $769,680. Our estimate is exclusive of possible warranty coverage. 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. Adoption of the Amendment 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) Is not a ‘‘significant rule’’ under DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979), (3) Will not affect intrastate aviation in Alaska, 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. PART 39—AIRWORTHINESS DIRECTIVES List of Subjects in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety. Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: 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): ■ 2012–03–07 Lycoming Engines (formerly Textron Lycoming Division, AVCO Corporation): Amendment 39–16948; Docket No. FAA–2011–0533; Directorate Identifier 2011–NE–16–AD. (a) Effective Date This AD is effective March 27, 2012. (b) Affected ADs None. (c) Applicability This AD applies to all Lycoming Engines reciprocating engines with carburetor part numbers listed in Table 1 of this AD. TABLE 1—PART NUMBERS (INCLUDING ALL DASH NUMBERS) OF KNOWN AFFECTED HA–6 MODEL CARBURETORS 10–5219–XX 10–5255–XX 10–5224–XX 10–5283–XX (d) Unsafe Condition This AD was prompted by a report of a ‘‘machined-from-billet’’ HA–6 carburetor having a loose mixture control sleeve that rotated in the carburetor body causing restriction of fuel and power loss. We are issuing this AD to prevent engine in-flight shutdown, power loss, and reduced control of the airplane. mstockstill on DSK4VPTVN1PROD with RULES (e) Compliance Comply with this AD within 50 flight hours after the effective date of this AD, unless already done. (f) Inspection Inspect the carburetor to determine the type of body the carburetor has. Use MarvelSchebler Emergency Service Bulletin (SB) No. SB–18, dated October 14, 2010, or Revision A, dated March 15, 2011, Figure (3) to determine which type of body is used. (g) If the carburetor has a die-cast body, no further action is required. (h) If the carburetor has an affected ‘‘machined-from-billet’’ body, remove the carburetor; and replace the carburetor with: (1) An HA–6 carburetor not listed in Table 1 of this AD; or VerDate Mar<15>2010 16:13 Feb 17, 2012 Jkt 226001 10–5230–XX 10–6001–XX 10–5235–XX 10–6019–XX (2) An HA–6 carburetor that is listed in Table 1 but is exempted as described in paragraphs 1.A. and 1.B of Marvel-Schebler Emergency SB No. SB–18, dated October 14, 2010 or Revision A, dated March 15, 2011; or that has already been repaired using that Emergency SB. (i) Alternative Methods of Compliance (AMOCs) The Manager, Atlanta Aircraft Certification Office, FAA, may approve AMOCs for this AD. Use the procedures found in 14 CFR 39.19 to make your request. (j) Related Information For more information about this AD, contact Kevin Brane, Aerospace Engineer, Propulsion, Atlanta Aircraft Certification Office, FAA, Small Airplane Directorate; 1701 Columbia Avenue, College Park, Georgia 30337; phone: (404) 474–5582; fax: (404) 474–5606; email: kevin.brane@faa.gov. (k) Material Incorporated by Reference (1) You must use the following service information to do the actions required by this AD, unless the AD specifies otherwise. The Director of the Federal Register approved the incorporation by reference (IBR) under PO 00000 Frm 00002 Fmt 4700 Sfmt 4700 10–5253–XX 10–6030–XX 5 U.S.C. 552(a) and 1 CFR part 51 of the following service information: (i) Marvel-Schebler Emergency Service Bulletin No. SB–18, dated October 14, 2010. (ii) Marvel-Schebler Emergency Service Bulletin No. SB–18, Revision A, dated March 15, 2011. (2) For service information identified in this AD, contact Marvel-Schebler Aircraft Carburetors LLC, 125 Piedmont Avenue, Gibsonville, NC 27249; phone: 336–446– 0002; fax: 336–446–0007; email: customerservice@msacarbs.com; Web site: www.msacarbs.com. (3) You may review copies of the service information at the FAA, Engine & Propeller Directorate, 12 New England Executive Park, Burlington, MA. For information on the availability of this material at the FAA, call 781–238–7125. (4) You may also review copies of the service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at an NARA facility, call 202–741– 6030, or go to https://www.archives.gov/ federal_register/code_of_federal_regulations/ ibr_locations.html. E:\FR\FM\21FER1.SGM 21FER1 Federal Register / Vol. 77, No. 34 / Tuesday, February 21, 2012 / Rules and Regulations Issued in Burlington, Massachusetts, on February 1, 2012. Peter A. White, Manager, Engine & Propeller Directorate, Aircraft Certification Service. 2011, and effective September 15, 2011, which is incorporated by reference in 14 CFR 71.1. The Class D and Class E airspace designations listed in this document will be published subsequently in that Order. [FR Doc. 2012–3862 Filed 2–17–12; 8:45 am] BILLING CODE 4910–13–P The Rule DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 71 [Docket No. FAA–2011–0783; Airspace Docket No. 11–ANM–16] Amendment of Class D and Class E Airspace, and Establishment of Class E Airspace; Bozeman, MT Federal Aviation Administration (FAA), DOT. ACTION: Final rule. AGENCY: This action modifies Class D and Class E airspace at Bozeman, Gallatin Field Airport, Bozeman, MT, to accommodate aircraft using Instrument Landing System (ILS) Localizer (LOC) standard instrument approach procedures at Bozeman, Gallatin Field Airport. This action also establishes Class E En Route Domestic airspace to facilitate vectoring of Instrument Flight Rules (IFR) operations at the airport. This action, initiated by the biennial review of the Bozeman airspace area, enhances the safety and management of aircraft operations at the airport. DATES: Effective date, 0901 UTC, May 31, 2012. The Director of the Federal Register approves this incorporation by reference action under 1 CFR part 51, subject to the annual revision of FAA Order 7400.9 and publication of conforming amendments. FOR FURTHER INFORMATION CONTACT: Eldon Taylor, Federal Aviation Administration, Operations Support Group, Western Service Center, 1601 Lind Avenue SW., Renton, WA 98057; telephone (425) 203–4537. SUPPLEMENTARY INFORMATION: mstockstill on DSK4VPTVN1PROD with RULES SUMMARY: History On November 16, 2011, the FAA published in the Federal Register a notice of proposed rulemaking to amend and establish controlled airspace at Bozeman, MT (76 FR 70919). Interested parties were invited to participate in this rulemaking effort by submitting written comments on the proposal to the FAA. No comments were received. Class D and Class E airspace designations are published in paragraph 5000, 6005 and 6006, respectively, of FAA Order 7400.9V dated August 9, VerDate Mar<15>2010 16:13 Feb 17, 2012 Jkt 226001 This action amends Title 14 Code of Federal Regulations (14 CFR) part 71 by modifying Class D airspace, and Class E airspace extending upward from 700 feet above the surface at Bozeman, Gallatin Field Airport, Bozeman, MT. Additional controlled airspace is necessary to accommodate aircraft using the ILS LOC standard instrument approach procedures at the airport. Also, this action establishes Class E En Route Domestic airspace extending upward from 1,200 feet above the surface to allow vectoring IFR aircraft from En Route airspace to the airport. The FAA has determined this regulation only involves an established body of technical regulations for which frequent and routine amendments are necessary to keep them operationally current. Therefore, this regulation: (1) Is not a ‘‘significant regulatory action’’ under Executive Order 12866; (2) is not a ‘‘significant rule’’ under DOT Regulatory Policies and Procedures (44 FR 11034; February 26, 1979); and (3) does not warrant preparation of a regulatory evaluation as the anticipated impact is so minimal. Since this is a routine matter that will only affect air traffic procedures and air navigation, it is certified this rule, when promulgated, will not have a significant economic impact on a substantial number of small entities under the criteria of the Regulatory Flexibility Act. The FAA’s authority to issue rules regarding aviation safety is found in Title 49 of the U.S. Code. Subtitle 1, Section 106 discusses the authority of the FAA Administrator. Subtitle VII, Aviation Programs, describes in more detail the scope of the agency’s authority. This rulemaking is promulgated under the authority described in Subtitle VII, Part A, Subpart I, Section 40103. Under that section, the FAA is charged with prescribing regulations to assign the use of airspace necessary to ensure the safety of aircraft and the efficient use of airspace. This regulation is within the scope of that authority as it creates additional controlled airspace at Bozeman, Gallatin Field Airport, Bozeman, MT. List of Subjects in 14 CFR Part 71 Airspace, Incorporation by reference, Navigation (air). PO 00000 Frm 00003 Fmt 4700 Sfmt 4700 9839 Adoption of the Amendment In consideration of the foregoing, the Federal Aviation Administration amends 14 CFR part 71 as follows: PART 71—DESIGNATION OF CLASS A, B, C, D, AND E AIRSPACE AREAS; AIR TRAFFIC SERVICE ROUTES; AND REPORTING POINTS 1. The authority citation for 14 CFR part 71 continues to read as follows: ■ Authority: 49 U.S.C. 106(g), 40103, 40113, 40120; E.O. 10854, 24 FR 9565, 3 CFR, 1959– 1963 Comp., p. 389. § 71.1 [Amended] 2. The incorporation by reference in 14 CFR 71.1 of the Federal Aviation Administration Order 7400.9V, Airspace Designations and Reporting Points, dated August 9, 2011, and effective September 15, 2011 is amended as follows: ■ Paragraph 5000 Class D airspace. * * * * ANM MT D * Bozeman, MT [Modified] Bozeman, Gallatin Field Airport, MT (Lat. 45°46′39″ N., long. 111°09′07″ W.) That airspace extending upward from the surface to and including 7,000 feet MSL within a 5.4-mile radius of Bozeman, Gallatin Field Airport. This Class D airspace area is effective during the specific dates and times established in advance by a Notice to Airmen. The effective date and time will thereafter be continuously published in the Airport/Facility Directory. Paragraph 6005 Class E airspace areas extending upward from 700 feet or more above the surface of the earth. * * * ANM MT E5 * * Bozeman, MT [Modified] Bozeman, Gallatin Field Airport, MT (Lat. 45°46′39″ N., long. 111°09′07″ W.) That airspace extending upward from 700 feet above the surface within a 13.5-mile radius of Bozeman, Gallatin Field Airport, and within 8 miles northeast and 13 miles southwest of the 316° bearing of the airport extending from the 13.5-mile radius to 24.4 miles northwest of the airport. Paragraph 6006 areas. En route domestic airspace * * * * ANM MT E6 * Bozeman, MT [New] Bozeman, Gallatin Field Airport, MT (Lat. 45°46′39″ N., long. 111°09′07″ W.) That airspace extending upward from 1,200 feet above the surface within a 50-mile radius of the Bozeman, Gallatin Field Airport; excluding existing lateral limits of controlled airspace 12,000 feet MSL and above. E:\FR\FM\21FER1.SGM 21FER1

Agencies

[Federal Register Volume 77, Number 34 (Tuesday, February 21, 2012)]
[Rules and Regulations]
[Pages 9837-9839]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2012-3862]



========================================================================
Rules and Regulations
                                                Federal Register
________________________________________________________________________

This section of the FEDERAL REGISTER contains regulatory documents 
having general applicability and legal effect, most of which are keyed 
to and codified in the Code of Federal Regulations, which is published 
under 50 titles pursuant to 44 U.S.C. 1510.

The Code of Federal Regulations is sold by the Superintendent of Documents. 
Prices of new books are listed in the first FEDERAL REGISTER issue of each 
week.

========================================================================


Federal Register / Vol. 77, No. 34 / Tuesday, February 21, 2012 / 
Rules and Regulations

[[Page 9837]]



DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2011-0533; Directorate Identifier 2011-NE-16-AD; 
Amendment 39-16948; AD 2012-03-07]
RIN 2120-AA64


Airworthiness Directives; Lycoming Engines Reciprocating Engines

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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

SUMMARY: We are adopting a new airworthiness directive (AD) for certain 
Lycoming Engines reciprocating engines. This AD was prompted by a 
report of a ``machined-from-billet'' HA-6 carburetor having a loose 
mixture control sleeve that rotated in the carburetor body causing 
restriction of fuel and power loss. This AD requires removing certain 
``machined-from-billet'' Volare LLC (formerly Precision Airmotive 
Corporation, formerly Facet Aerospace Products Company, formerly 
Marvel-Schebler (BorgWarner)) HA-6 carburetors, inspecting for a loose 
mixture control sleeve or for a sleeve that may become loose, repairing 
the carburetor, or replacing the carburetor with one eligible for 
installation. We are issuing this AD to prevent engine in-flight 
shutdown, power loss, and reduced control of the airplane.

DATES: This AD is effective March 27, 2012.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in the AD as of March 27, 
2012.

ADDRESSES: For service information identified in this AD, contact 
Marvel-Schebler Aircraft Carburetors LLC, 125 Piedmont Avenue, 
Gibsonville NC 27249; phone: 336-446-0002; fax: 336-446-0007; email: 
customerservice@msacarbs.com; Web site: www.msacarbs.com. You may 
review copies of the referenced service information at the FAA, Engine 
& Propeller Directorate, 12 New England Executive Park, Burlington, MA. 
For information on the availability of this material at the FAA, call 
781-238-7125.

Examining the AD Docket

    You may examine the AD docket on the Internet at https://www.regulations.gov; or in person at the Docket Management Facility 
between 9 a.m. and 5 p.m., Monday through Friday, except Federal 
holidays. The AD docket contains this AD, the regulatory evaluation, 
any comments received, and other information. The address for the 
Docket Office (phone: 800-647-5527) is Document Management Facility, 
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: Kevin Brane, Aerospace Engineer, 
Propulsion, Atlanta Aircraft Certification Office, FAA, Small Airplane 
Directorate; 1701 Columbia Avenue, College Park, Georgia 30337; phone: 
404-474-5582; fax: 404-474-5606; email: kevin.brane@faa.gov.

SUPPLEMENTARY INFORMATION:

Discussion

    We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR 
part 39 to include an AD that would apply to the specified products. 
That NPRM published in the Federal Register on September 1, 2011 (76 FR 
54397). That NPRM proposed to require removing certain ``machined-from-
billet'' Volare LLC (formerly Precision Airmotive Corporation, formerly 
Facet Aerospace Products Company, formerly Marvel-Schebler 
(BorgWarner)) HA-6 carburetors, inspecting for a loose mixture control 
sleeve or for a sleeve that may become loose, repairing the carburetor, 
or replacing the carburetor with one eligible for installation.

Comments

    We gave the public the opportunity to participate in developing 
this AD. The following presents the comment received on the proposal 
and the FAA's response.

Request To Incorporate All Affected Engine Models

    One commenter, a private citizen, requested that we incorporate all 
affected engine models with HA-6 model carburetors installed in the AD. 
The commenter provided a list, which he compiled from reviewing all 
applicable published Type Certificate Data Sheets (TCDS).
    We partially agree. We agree that some additional models are 
affected because the list provided by the commenter is mostly 
consistent with the applicable TCDS. We do not agree with the commenter 
on some of the models he thinks are affected, because we could not 
confirm they are affected, based on the TCDS. However, we determined 
that we need to change the applicability from a table of specific 
engine models, to all Lycoming Engines reciprocating engines with 
carburetor part numbers listed in Table 1 of the AD. We changed the AD 
applicability to all Lycoming Engines reciprocating engines with 
carburetor part numbers listed in Table 1 of the AD.

Change to the Alternative Methods of Compliance (AMOC) Paragraph

    Since we issued the proposed AD, we found that we referenced the 
wrong office in the AMOC paragraph. We changed that sentence to state 
that the Manager, Atlanta Aircraft Certification Office, FAA, may 
approve AMOCs for this AD.

Change to Service Information

    Marvel-Schebler Aircraft Carburetors LLC has revised their Marvel-
Schebler Emergency Service Bulletin (SB) No. SB-18, dated October 14, 
2010, to Revision A, dated March 15, 2011. We reviewed Revision A, and 
determined that it also is acceptable. We changed the incorporated by 
reference paragraph k of the AD to include the original issue and 
Revision A.

Conclusion

    We reviewed the relevant data, considered the comment received, and 
determined that air safety and the public interest require adopting the 
AD with the changes described previously. We also determined that these 
changes will not increase the economic burden on any operator or 
increase the scope of the AD.

[[Page 9838]]

Costs of Compliance

    We estimate that this AD affects 10,700 engines installed on 
aircraft of U.S. registry. We also estimate that it will take about 0.5 
work-hours per aircraft to perform the inspection, and that about 409 
carburetors will need repair. Approximately 2 work-hours per carburetor 
are required to repair the carburetor. The average labor rate is $85 
per work-hour. Required parts will cost about $600 per carburetor. 
Based on these figures, we estimate the cost of the AD on U.S. 
operators to be $769,680. Our estimate is exclusive of possible 
warranty coverage.

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

    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) Is not a ``significant rule'' under DOT Regulatory Policies and 
Procedures (44 FR 11034, February 26, 1979),
    (3) Will not affect intrastate aviation in Alaska, 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.

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):

2012-03-07 Lycoming Engines (formerly Textron Lycoming Division, 
AVCO Corporation): Amendment 39-16948; Docket No. FAA-2011-0533; 
Directorate Identifier 2011-NE-16-AD.

(a) Effective Date

    This AD is effective March 27, 2012.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to all Lycoming Engines reciprocating engines 
with carburetor part numbers listed in Table 1 of this AD.

Table 1--Part Numbers (Including All Dash Numbers) of Known Affected HA-
                           6 Model Carburetors
------------------------------------------------------------------------
 
------------------------------------------------------------------------
  10-5219-XX     10-5224-XX     10-5230-XX     10-5235-XX    10-5253-XX
  10-5255-XX     10-5283-XX     10-6001-XX     10-6019-XX    10-6030-XX
------------------------------------------------------------------------

(d) Unsafe Condition

    This AD was prompted by a report of a ``machined-from-billet'' 
HA-6 carburetor having a loose mixture control sleeve that rotated 
in the carburetor body causing restriction of fuel and power loss. 
We are issuing this AD to prevent engine in-flight shutdown, power 
loss, and reduced control of the airplane.

(e) Compliance

    Comply with this AD within 50 flight hours after the effective 
date of this AD, unless already done.

(f) Inspection

    Inspect the carburetor to determine the type of body the 
carburetor has. Use Marvel-Schebler Emergency Service Bulletin (SB) 
No. SB-18, dated October 14, 2010, or Revision A, dated March 15, 
2011, Figure (3) to determine which type of body is used.
    (g) If the carburetor has a die-cast body, no further action is 
required.
    (h) If the carburetor has an affected ``machined-from-billet'' 
body, remove the carburetor; and replace the carburetor with:
    (1) An HA-6 carburetor not listed in Table 1 of this AD; or
    (2) An HA-6 carburetor that is listed in Table 1 but is exempted 
as described in paragraphs 1.A. and 1.B of Marvel-Schebler Emergency 
SB No. SB-18, dated October 14, 2010 or Revision A, dated March 15, 
2011; or that has already been repaired using that Emergency SB.

(i) Alternative Methods of Compliance (AMOCs)

    The Manager, Atlanta Aircraft Certification Office, FAA, may 
approve AMOCs for this AD. Use the procedures found in 14 CFR 39.19 
to make your request.

(j) Related Information

    For more information about this AD, contact Kevin Brane, 
Aerospace Engineer, Propulsion, Atlanta Aircraft Certification 
Office, FAA, Small Airplane Directorate; 1701 Columbia Avenue, 
College Park, Georgia 30337; phone: (404) 474-5582; fax: (404) 474-
5606; email: kevin.brane@faa.gov.

(k) Material Incorporated by Reference

    (1) You must use the following service information to do the 
actions required by this AD, unless the AD specifies otherwise. The 
Director of the Federal Register approved the incorporation by 
reference (IBR) under 5 U.S.C. 552(a) and 1 CFR part 51 of the 
following service information:
    (i) Marvel-Schebler Emergency Service Bulletin No. SB-18, dated 
October 14, 2010.
    (ii) Marvel-Schebler Emergency Service Bulletin No. SB-18, 
Revision A, dated March 15, 2011.
    (2) For service information identified in this AD, contact 
Marvel-Schebler Aircraft Carburetors LLC, 125 Piedmont Avenue, 
Gibsonville, NC 27249; phone: 336-446-0002; fax: 336-446-0007; 
email: customerservice@msacarbs.com; Web site: www.msacarbs.com.
    (3) You may review copies of the service information at the FAA, 
Engine & Propeller Directorate, 12 New England Executive Park, 
Burlington, MA. For information on the availability of this material 
at the FAA, call 781-238-7125.
    (4) You may also review copies of the service information that 
is incorporated by reference at the National Archives and Records 
Administration (NARA). For information on the availability of this 
material at an NARA facility, call 202-741-6030, or go to https://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.


[[Page 9839]]


    Issued in Burlington, Massachusetts, on February 1, 2012.
Peter A. White,
Manager, Engine & Propeller Directorate, Aircraft Certification 
Service.
[FR Doc. 2012-3862 Filed 2-17-12; 8:45 am]
BILLING CODE 4910-13-P
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