2606 Federal Register / Vol. 72, No. 13 / Monday, January 22, 2007 / Rules and Regulations 

Inspection and Cleaning Procedures 

(l) Use paragraphs 3.A. through 3.A.(4)(b) 

of the Accomplishment Instructions of RollsRoyce plc Alert Service Bulletin No. RB.211–

72–AE302, Revision 3, dated September 20, 

2006, to do borescope inspections, and 

cleaning of the oil vent tubes and bearing 

chamber. 

Alternative Methods of Compliance 

(m) The Manager, Engine Certification 

Office, has the authority to approve 

alternative methods of compliance for this 

AD if requested using the procedures found 

in 14 CFR 39.19. 

Material Incorporated by Reference 

(n) You must use Rolls-Royce plc Alert 

Service Bulletin No. RB.211–72–AE302, 

Revision 3, dated September 20, 2006, to 

perform the inspections and cleaning 

required by this AD. The Director of the 

Federal Register approved the incorporation 

by reference of this service bulletin in 

accordance with 5 U.S.C. 552(a) and 1 CFR 

part 51. Contact Rolls-Royce plc, PO Box 31, 

Derby, England; telephone: 011–44–1332–

249428; fax: 011–44–1332–249223, for a copy 

of this service information. You may review 

copies at the National Archives and Records 

Administration (NARA). For information on 

the availability of this material at NARA, call 

202–741–6030, or go to: http:// 

www.archives.gov/federal-register/cfr/ibrlocations.html. 

Related Information 

(o) European Aviation Safety Agency 

airworthiness directive No. 2006–0355, dated 

December 4, 2006, also addresses the subject 

of this AD. 

(p) Contact Christopher Spinney, 

Aerospace Engineer, Engine Certification 

Office, FAA, Engine & Propeller Directorate, 

12 New England Executive Park, Burlington, 

MA 01803; telephone (781) 238–7175; fax 

(781) 238–7199, for more information about 

this AD. 

Issued in Burlington, Massachusetts, on 

January 12, 2007. 

Francis A. Favara, 

Manager, Engine and Propeller Directorate, 

Aircraft Certification Service. 

[FR Doc. E7–684 Filed 1–19–07; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2006–26236 Directorate 

Identifier 2006–CE–66–AD; Amendment 39–

14891; AD 2007–02–04] 

RIN 2120–AA64 

Airworthiness Directives; SOCATAGroupe Aerospatiale TB 20 and TB 21 

Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), Department of 

Transportation (DOT). 

ACTION: Final rule. 

SUMMARY: We are adopting a new 

airworthiness directive (AD) for the 

products listed above. This AD results 

from mandatory continuing 

airworthiness information (MCAI) 

issued by an aviation authority of 

another country to identify and correct 

an unsafe condition on an aviation 

product. The MCAI describes the unsafe 

condition as reports of interference 

between the wing spar lower boom and 

the wheel fairing attaching screw. We 

are issuing this AD to require actions to 

correct the unsafe condition on these 

products. 

DATES: This AD becomes effective 

February 26, 2007. 

The Director of the Federal Register 

approved the incorporation by reference 

of certain publications listed in this AD 

as of February 26, 2007. 

ADDRESSES: You may examine the AD 

docket on the Internet at http:// 

dms.dot.gov or in person at the Docket 

Management Facility, U.S. Department 

of Transportation, 400 Seventh Street, 

SW., Nassif Building, Room PL–401, 

Washington, DC. 

FOR FURTHER INFORMATION CONTACT: 

Doug Rudolph, Aerospace Engineer, 

FAA, Small Airplane Directorate, 901 

Locust, Room 301, Kansas City, 

Missouri 64106; telephone: (816) 329–

4059; fax: (816) 329–4090. 

SUPPLEMENTARY INFORMATION: 

Streamlined Issuance of AD 

The FAA is implementing a new 

process for streamlining the issuance of 

ADs related to MCAI. The streamlined 

process will allow us to adopt MCAI 

safety requirements in a more efficient 

manner and will reduce safety risks to 

the public. This process continues to 

follow all FAA AD issuance processes to 

meet legal, economic, Administrative 

Procedure Act, and Federal Register 

requirements. We also continue to meet 

our technical decision-making 

responsibilities to identify and correct 

unsafe conditions on U.S.-certificated 

products. 

This AD references the MCAI and 

related service information that we 

considered in forming the engineering 

basis to correct the unsafe condition. 

The AD contains text copied from the 

MCAI and for this reason might not 

follow our plain language principles. 

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 was published in the Federal 

Register on November 22, 2006 (71 FR 

67506). That NPRM proposed to correct 

an unsafe condition for the specified 

products. The MCAI states that there are 

reports of interference between the wing 

spar lower boom and the wheel fairing 

attaching screw causing an unsafe 

condition. The interference could, if left 

uncorrected, reduce the fatigue life of 

the wing spar with potentially 

catastrophic results. 

Comments 

We gave the public the opportunity to 

participate in developing this AD. We 

have considered the comment received. 

Comment Issue: Cost of Compliance 

EADS SOCATA states: 

Application of SB10–148–57 does not 

require specific part. So, the cost is 

negligible. EADS SOCATA estimates that it 

would take 1 work-hour to inspect and 

displace the screw. If repair is necessary, the 

cost depends on the damage. 

Our cost estimate included both the 

inspection and screw displacement 

costs as well as repair costs. We 

developed the repair cost estimate based 

on the information provided and 

assumed the worst case scenario if a 

repair was required. Since EADS 

SOCATA did not provide an estimate 

(work-hours or parts cost) if a repair is 

required and the FAA is required to 

provide this estimate to the public, we 

are keeping the language the same as the 

NPRM to account for worst case repair 

situations. 

Conclusion 

We reviewed the available data, 

including the comment received, and 

determined that air safety and the 

public interest require adopting the AD 

as proposed. 

Differences Between This AD and the 

MCAI or Service Information 

We have reviewed the MCAI and 

related service information and, in 

general, agree with their substance. But 

we might have found it necessary to use 

different words from those in the MCAI 

to ensure the AD is clear for U.S. 

operators and is enforceable. In making 

these changes, we do not intend to differ 

substantively from the information 

provided in the MCAI and related 

service information. 

We might also have required different 

actions in this AD from those in the 

MCAI in order to follow FAA policies. 

Any such differences are described in a 

separate paragraph of the AD, and take 

precedence over the actions copied from 

the MCAI. 


sroberts on PROD1PC70 with RULES
Federal Register / Vol. 72, No. 13 / Monday, January 22, 2007 / Rules and Regulations 2607 

Costs of Compliance 

We estimate that this AD will affect 

270 products of U.S. registry. We also 

estimate that it will take about 15 workhours per product to comply with this 

AD. The average labor rate is $80 per 

work-hour. Required parts will cost 

about $15,000 per product. Where the 

service information lists required parts 

costs that are covered under warranty, 

we have assumed that there will be no 

charge for these parts. As we do not 

control warranty coverage for affected 

parties, some parties may incur costs 

higher than estimated here. Based on 

these figures, we estimate the cost of 

this AD to the U.S. operators to be 

$4,374,000, or $16,200 per product. 

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 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 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); and 

(3) 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. 

We prepared a regulatory evaluation 

of the estimated costs to comply with 

this AD and placed it in the AD Docket. 

Examining the AD Docket 

You may examine the AD docket on 

the Internet at http://dms.dot.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 the 

NPRM, the regulatory evaluation, any 

comments received, and other 

information. The street address for the 

Docket Office (telephone (800) 647–

5227) is in the ADDRESSES section. 

Comments will be available in the AD 

docket shortly after receipt. 

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 

■ 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 AD: 

2007–02–04 SOCATA-Groupe 

Aerospatiale: Amendment 39–14891; 

Docket No. FAA–2006–26236; 

Directorate Identifier 2006–CE–66–AD. 

Effective Date 

(a) This airworthiness directive (AD) 

becomes effective February 26, 2007. 

Affected ADs 

(b) None. 

Applicability 

(c) This AD applies to SOCATA Models TB 

20 and TB 21 airplanes, serial numbers 1 

through 9999 without repair REP 20.031 

implemented on both sides, certificated in 

any category. 

Reason 

(d) The mandatory continuing 

airworthiness information (MCAI) states 

there are reports of interference between the 

wing spar lower boom and the wheel fairing 

attaching screw causing an unsafe condition. 

The interference could, if left uncorrected, 

reduce the fatigue life of the wing spar with 

potentially catastrophic results. The MCAI 

requires inspections and repairs as necessary 

to correct this unsafe condition. 

Actions and Compliance 

(e) Unless already done, do the following 

actions. 

(1) Within the next 100 hours time-inservice or 12 months after the effective date 

of this AD, whichever occurs first, perform 

an inspection of the wing spar lower boom 

and repair it as necessary, in accordance with 

the accomplishment instructions of the EADS 

SOCATA TB Aircraft Mandatory Service 

Bulletin SB 10–148, ATA No. 57, dated 

December 2005. 

(2) If defect dimensions exceed the 

acceptable values given in the EADS 

SOCATA TB Aircraft Mandatory Service 

Bulletin SB 10–148, ATA No. 57, dated 

December 2005, or if the defect is not located 

in areas depicted in figure 2 of the EADS 

SOCATA TB Aircraft Mandatory Service 

Bulletin SB 10–148, ATA No. 57, dated 

December 2005, then the Type 1 or Type 2 

repair solutions are not applicable. A written 

report shall be sent to the manufacturer as 

mentioned in section A.5 of the EADS 

SOCATA TB Aircraft Mandatory Service 

Bulletin SB 10–148, ATA No. 57, dated 

December 2005. In this case, all flight is 

prohibited until EADS SOCATA provides a 

repair solution or otherwise agrees to further 

flight. 

FAA AD Differences 

Note: This AD differs from the MCAI and/ 

or service information as follows: No 

differences. 

Other FAA AD Provisions 

(f) The following provisions also apply to 

this AD: 

(1) Alternative Methods of Compliance 

(AMOCs): The Manager, Standards Staff, 

FAA, ATTN: Doug Rudolph, Aerospace 

Engineer, FAA, Small Airplane Directorate, 

901 Locust, Room 301, Kansas City, Missouri 

64106; telephone: (816) 329–4059; fax: (816) 

329–4090, has the authority to approve 

AMOCs for this AD, if requested using the 

procedures found in 14 CFR 39.19. 

(2) Airworthy Product: For any requirement 

in this AD to obtain corrective actions from 

a manufacturer or other source, use these 

actions if they are FAA-approved. Corrective 

actions are considered FAA-approved if they 

are approved by the State of Design Authority 

(or their delegated agent). You are required 

to assure the product is airworthy before it 

is returned to service. 

(3) Reporting Requirements: For any 

reporting requirement in this AD, under the 

provisions of the Paperwork Reduction Act 

(44 U.S.C. 3501 et seq.), the Office of 

Management and Budget (OMB) has 

approved the information collection 

requirements and has assigned OMB Control 

Number 2120–0056. 

Related Information 

(g) Refer to European Aviation Safety 

Agency (EASA) Airworthiness Directive No.: 

2006–0123, dated May 16, 2006; and EADS 

SOCATA TB Aircraft Mandatory Service 

Bulletin SB 10–148, ATA No. 57, dated 

December 2005, for related information. 

Material Incorporated by Reference 

(h) You must use EADS SOCATA TB 

Aircraft Mandatory Service Bulletin SB 10–

148, ATA No. 57, dated December 2005, to 

do the actions required by this AD, unless the 

AD specifies otherwise. 

(1) The Director of the Federal Register 

approved the incorporation by reference of 


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2608 Federal Register / Vol. 72, No. 13 / Monday, January 22, 2007 / Rules and Regulations 

this service information under 5 U.S.C. 

552(a) and 1 CFR part 51. 

(2) For service information identified in 

this AD, contact EADS SOCATA, Direction 

des Services, 65921 Tarbes Cedex 9, France; 

telephone: 33 (0)5 62.41.73.00; fax: 33 (0)5 

62.41.76.54; or SOCATA Aircraft, INC., North 

Perry Airport, 7501 Airport Road, Pembroke 

Pines, Florida 33023; telephone: (954) 893–

1400; fax: (954) 964–4141. 

(3) You may review copies at the FAA, 

Central Region, Office of the Regional 

Counsel, 901 Locust, Room 506, Kansas City, 

Missouri 64106; or at the National Archives 

and Records Administration (NARA). For 

information on the availability of this 

material at NARA, call 202–741–6030, or go 

to: http://www.archives.gov/federal-register/ 

cfr/ibr-locations.html. 

Issued in Kansas City, Missouri, on January 

11, 2007. 

Kim Smith, 

Manager, Small Airplane Directorate, Aircraft 

Certification Service. 

[FR Doc. E7–706 Filed 1–19–07; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2006–26232 Directorate 

Identifier 2006–CE–62–AD; Amendment 39–

14895; AD 2007–02–08] 

RIN 2120–AA64 

Airworthiness Directives; EADS 

SOCATA TBM 700 Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), Department of 

Transportation (DOT). 

ACTION: Final rule. 

SUMMARY: We are adopting a new 

airworthiness directive (AD) for the 

products listed above. This AD results 

from mandatory continuing 

airworthiness information (MCAI) 

issued by an aviation authority of 

another country to identify and correct 

an unsafe condition on an aviation 

product. The MCAI describes the unsafe 

condition as a report of a master 

cylinder yoke failure. We are issuing 

this AD to require actions to correct the 

unsafe condition on these products. 

DATES: This AD becomes effective 

February 26, 2007. 

The Director of the Federal Register 

approved the incorporation by reference 

of certain publications listed in this AD 

as of February 26, 2007. 

ADDRESSES: You may examine the AD 

docket on the Internet at http:// 

dms.dot.gov or in person at the Docket 

Management Facility, U.S. Department 

of Transportation, 400 Seventh Street, 

SW., Nassif Building, Room PL–401, 

Washington, DC. 

FOR FURTHER INFORMATION CONTACT: 

Doug Rudolph, Aerospace Engineer, 

FAA, Small Airplane Directorate, 901 

Locust, Room 301, Kansas City, 

Missouri 64106; telephone: (816) 329–

4059; fax: (816) 329–4090. 

SUPPLEMENTARY INFORMATION

Streamlined Issuance of AD 

The FAA is implementing a new 

process for streamlining the issuance of 

ADs related to MCAI. The streamlined 

process will allow us to adopt MCAI 

safety requirements in a more efficient 

manner and will reduce safety risks to 

the public. This process continues to 

follow all FAA AD issuance processes to 

meet legal, economic, Administrative 

Procedure Act, and Federal Register 

requirements. We also continue to meet 

our technical decision-making 

responsibilities to identify and correct 

unsafe conditions on U.S.-certificated 

products. 

This AD references the MCAI and 

related service information that we 

considered in forming the engineering 

basis to correct the unsafe condition. 

The AD contains text copied from the 

MCAI and for this reason might not 

follow our plain language principles. 

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 was published in the Federal 

Register on November 28, 2006 (71 FR 

68762). That NPRM proposed to correct 

an unsafe condition for the specified 

products. The MCAI states that there 

was a report of a master cylinder yoke 

failure. The AD requirements are to 

detect defective yokes on aircraft and 

replace them. The aim of this AD is to 

ensure that normal braking is available 

at any time to prevent possible runway 

excursions in the event of failure of the 

master cylinder yoke. 

Comments 

We gave the public the opportunity to 

participate in developing this AD. We 

have considered the comments received. 

EADS SOCATA gave comments 

addressing the following: 

Comment Issue No. 1: Cost of 

Compliance 

EADS SOCATA states: 

The proposed AD specifies that: ‘‘Required 

parts would cost about $600’’. $600 

corresponds to the cost of the replacement of 

all (4) the master cylinder yokes. According 

to EADS Socata experience, operators 

complying with EADS Socata SB70–136–32 

had to replace only one yoke in the worst 

case. 

The FAA does not agree. We are using 

the worst case scenario of all four yokes 

being replaced. If an operator needs to 

replace fewer yokes, the cost will be 

less. 

Comment Issue No. 2: Applicability 

EADS SOCATA states: 

We propose to specify: ‘‘This AD applies 

to SOCATA Model TBM700 airplanes, all 

serial number, certificated in any category 

equipped with master cylinder assembly part 

number ZOO.N6068757280 or 

ZOO.N6068757281’’. 

Indeed, the supplier of the master cylinder 

assembly could change in the future and 

aircraft equipped with another part number 

would not be concerned. 

The FAA does not agree. Including 

the part number in the applicability is 

redundant. Per the AD, the operator has 

to verify whether the applicable part 

number is installed and, if so, take 

appropriate action. If a different part 

number from a different supplier is 

installed, then the AD does not apply. 

Comment Issue No. 3: Actions and 

Compliance, Paragraphs (e)(1)(ii)(B) and 

(e)(2) 

EADS SOCATA states: 

Paragraph (e)(1)(ii)(B): 

Yokes part number ZOO.N7134732200 

(delivered since January 2006) can also be 

installed on aircraft. Socata decides to 

produce itself yoke part number 

T700A324004810000 for logistic reasons but 

the design of this yokes is the same as Parker 

yoke part number ZOO.N7134732200. 

Paragraph (e)(2): 

During installation of master cylinder yoke 

part number ZOO.N7134732200 or 

installation of master cylinder assembly part 

number ZOO.N6068757280 or 

ZOO.N6068757281, we propose to check the 

yokes in accordance with SB70–136–32 only 

if these parts were delivered new before 

January 2006. 

The FAA does not agree. Since these 

parts are not serialized and tracked, 

there would be no way of knowing if the 

part was delivered before or after 

January 2006. In addition, EADS 

SOCATA TBM Aircraft Mandatory 

Service Bulletin SB 70–136, ATA No. 

32, dated December 2005, requires 

installation of yoke part number 

T700A324004810000. If an operator 

wants to use a different part numbered 

component and can show that it 

provides an acceptable level of safety, 

the operator can make a request to the 

FAA to approve an alternative method 

of compliance (AMOC) using the 

procedures in 14 CFR part 39 and this 

AD. 


sroberts on PROD1PC70 with RULES