Federal Register / Vol. 75, No. 164 / Wednesday, August 25, 2010 / Rules and Regulations 52263 

AD 2010–17–18 INSPECTION REPORT—Continued 

[REPORT ONLY IF CRACKS ARE FOUND] 

7. Wing Total Hours TIS: 8. Lower Spar Cap Hours TIS: 

Previous Inspection/Repair History 

9. Has the lower spar cap been inspected (eddy-current, dye penetrant, 

magnetic particle, or ultrasound) before? 

b Yes b No 

If yes, an inspection has occurred: 

Date:llllllllllll 

Inspection Method:llllll 

Lower Spar Cap TIS:llllll 

Cracks found? b Yes b No 

10. Has there been any major repair or alteration performed to the spar 

cap? 

b Yes b No 

If yes, specify (Description and hours TIS): 

Inspection for AD 2010–17–18 

11. Date of AD inspection: 11a. Cracks found: 

Inspection Results: b Left Hand b Right Hand 

11b. Crack Length:______ 11c. Does drilling hole to next larger size remove all traces of the 

crack(s)? 

Location:______ b Yes b No 

12d. Corrective Action Taken: 

Mail report (only if you find any cracks as a result of the inspection for AD 2010–17–18) to: Andrew McAnaul, Aerospace Engineer, ASW–150 

(c/o MIDO–43), 10100 Reunion Place, Suite 650, San Antonio, Texas 78216; telephone: (210) 308–3365; facsimile: (210) 308–3370. 

Figure 1 

Alternative Methods of Compliance 

(AMOCs) 

(m) The Manager, Fort Worth Airplane 

Certification Office, FAA, has the authority to 

approve AMOCs for this AD, if requested 

using the procedures found in 14 CFR 39.19. 

Send information to ATTN: Andy McAnaul, 

Aerospace Engineer, ASW–150, FAA San 

Antonio MIDO–43, 10100 Reunion Pl., Ste. 

650, San Antonio, Texas 78216, phone: (210) 

308–3365, fax: (210) 308–3370. Before using 

any approved AMOC on any airplane to 

which the AMOC applies, notify your 

appropriate principal inspector (PI) in the 

FAA Flight Standards District Office (FSDO), 

or lacking a PI, your local FSDO. 

(n) AMOCs approved for AD 2010–13–08 

are not approved for this AD. 

Material Incorporated by Reference 

(o) You must use Snow Engineering Co. 

Service Letter #80GG, revised December 21, 

2005; Snow Engineering Co. Service Letter 

#284, dated October 4, 2009; Snow 

Engineering Co. Service Letter #281, dated 

August 1, 2009; Snow Engineering Co. 

Service Letter #245, dated April 25, 2005; 

Snow Engineering Co. Service Letter #240, 

dated September 30, 2004; Snow Engineering 

Co. Process Specification #197, page 1, 

revised June 4, 2002; pages 2 through 4, 

dated February 23, 2001; and page 5, dated 

May 3, 2002; Snow Engineering Co. Drawing 

Number 20995, Sheet 3, dated November 25, 

2005; Snow Engineering Co. Drawing 

Number 20995, Sheet 2, Rev. D., dated 

November 25, 2005; and Snow Engineering 

Co. Drawing Number 20975, Sheet 4, Rev. A., 

dated January 7, 2009, 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 

Snow Engineering Co. Service Letter #80GG, 

revised December 21, 2005; Snow 

Engineering Co. Service Letter #284, dated 

October 4, 2009; Snow Engineering Co. 

Service Letter #281, dated August 1, 2009; 

Snow Engineering Co. Service Letter #245, 

dated April 25, 2005; Snow Engineering Co. 

Drawing Number 20995, Sheet 3, dated 

November 25, 2005; Snow Engineering Co. 

Drawing Number 20995, Sheet 2, Rev. D., 

dated November 25, 2005; and Snow 

Engineering Co. Drawing Number 20975, 

Sheet 4, Rev. A., dated January 7, 2009, 

under 5 U.S.C. 552(a) and 1 CFR part 51. 

(2) On April 21, 2006 (71 FR 19994, April 

19, 2006), the Director of the Federal Register 

approved the incorporation by reference of 

Snow Engineering Co. Service Letter #240, 

dated September 30, 2004; and Snow 

Engineering Co. Process Specification #197, 

page 1, revised June 4, 2002; pages 2 through 

4, dated February 23, 2001; and page 5, dated 

May 3, 2002. 

(3) For service information identified in 

this AD, contact Air Tractor, Inc., P.O. Box 

485, Olney, Texas 76374; telephone: (940) 

564–5616; fax: (940) 564–5612; E-mail: 

airmail@airtractor.com; Internet: http:// 

www.airtractor.com. 

(4) You may review copies of the service 

information incorporated by reference for 

this AD at the FAA, Central Region, Office of 

the Regional Counsel, 901 Locust, Kansas 

City, Missouri 64106. For information on the 

availability of this material at the Central 

Region, call (816) 329–3768. 

(5) You may also review copies of the 

service information incorporated by reference 

for this AD 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/ 

code_of_federal_regulations/ 

ibr_locations.html. 

Issued in Kansas City, Missouri on August 

11, 2010. 

John Colomy, 

Acting Manager, Small Airplane Directorate, 

Aircraft Certification Service. 

[FR Doc. 2010–20555 Filed 8–24–10; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2009–0497; Directorate 

Identifier 2009–NM–019–AD; Amendment 

39–16417; AD 2010–18–04] 

RIN 2120–AA64 

Airworthiness Directives; Empresa 

Brasileira de Aeronautica S.A. 

(EMBRAER) Model ERJ 170 Airplanes; 

and Model ERJ 190–100 LR, –100 IGW, 

–100 STD, –200 STD, –200 LR, and 

–200 IGW 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) 

originated by an aviation authority of 

another country to identify and correct 

an unsafe condition on an aviation 

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52264 Federal Register / Vol. 75, No. 164 / Wednesday, August 25, 2010 / Rules and Regulations 

product. The MCAI describes the unsafe 

condition as: 

It has been found the possibility of cracks 

developing in the ram air turbine (RAT) 

machined support, located in the forward 

compartment [zone 124] of [the] aircraft, due 

to downlock pin not [being] pull[ed] during 

its retraction. In case of RAT failure or 

malfunction, it will not provide electrical 

power to essential systems of [the] aircraft in 

[an] electrical emergency situation. 

* * * * * 

Lack of electrical power could result 

in reduced controllability of the 

airplane. We are issuing this AD to 

require actions to correct the unsafe 

condition on these products. 

DATES: This AD becomes effective 

September 29, 2010. 

The Director of the Federal Register 

approved the incorporation by reference 

of certain publications listed in this AD 

as of September 29, 2010. 

ADDRESSES: You may examine the AD 

docket on the Internet at http:// 

www.regulations.gov or in person at the 

U.S. Department of Transportation, 

Docket Operations, M–30, West 

Building Ground Floor, Room W12–140, 

1200 New Jersey Avenue, SE., 

Washington, DC. 

FOR FURTHER INFORMATION CONTACT: 

Kenny Kaulia, Aerospace Engineer, 

International Branch, ANM–116, 

Transport Airplane Directorate, FAA, 

1601 Lind Avenue, SW., Renton, 

Washington 98057–3356; telephone 

(425) 227–2848; fax (425) 227–1149. 

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 was published in the Federal 

Register on June 2, 2009 (74 FR 26315). 

That NPRM proposed to correct an 

unsafe condition for the specified 

products. The MCAI states: 

It has been found the possibility of cracks 

developing in the ram air turbine (RAT) 

machined support, located in the forward 

compartment [zone 124] of [the] aircraft, due 

to downlock pin not [being] pull[ed] during 

its retraction. In case of RAT failure or 

malfunction, it will not provide electrical 

power to essential systems of [the] aircraft in 

[an] electrical emergency situation. 

* * * * * 

Lack of electrical power could result in 

reduced controllability of the airplane. 

Corrective actions include a detailed 

visual inspection for cracking of the 

RAT machined support, replacing the 

support with a new part if any crack is 

found, and reinforcing or replacing the 

support if no crack is found. You may 

obtain further information by examining 

the MCAI in the AD docket. 

Comments 

We gave the public the opportunity to 

participate in developing this AD. We 

considered the comments received. 

Request To Change the RAT 

Deployment Criteria 

EMBRAER and JetBlue Airways 

request that we revise the NPRM so that 

operators are allowed to reach the 

maximum time of 5,000 flight hours 

provided that the RAT machined 

support is inspected for cracks after 

each RAT deployment. EMBRAER states 

that the original undamaged support 

does not represent an unsafe condition, 

and that to damage it to an unacceptable 

level, it would be necessary to have two 

incorrect stows of the RAT. 

JetBlue Airways states that the NPRM 

specifies that installing reinforcements 

or replacing the RAT support must be 

done before the next flight after the next 

two RAT deployments or within 5,000 

flight hours. JetBlue Airways notes that 

it is difficult to track the number of 

deployments as the deployment could 

be used as part of troubleshooting in an 

airplane maintenance manual task. 

JetBlue Airways specifies that an 

inspection could be done after RAT 

deployment during MRB tasks. 

We agree with the request to allow the 

option to do the above procedures. We 

have determined that allowing the 

option specified in paragraph (f)(1)(ii) of 

this AD to do the installation or 

replacement within 5,000 flight hours 

provided that the RAT machined 

support is inspected for cracking after 

each RAT deployment will provide an 

acceptable level of safety. We have 

revised paragraph (f)(1) of this AD 

accordingly. This has been coordinated 

with Ageˆncia Nacional de Aviac ̧a ̃o Civil 

(ANAC). We have revised the final rule 

accordingly. 

Request To Remove the RAT 

Deployment Criteria 

Air Transport Association of America 

(ATA), on behalf of its member US 

Airways, requests that we remove the 

RAT deployment criteria specified in 

paragraph (f)(1)(ii) of the NPRM. US 

Airways states that the deployment 

criterion specified in paragraph (f)(1)(ii) 

of the NPRM is confusing and would be 

difficult to document. US Airways also 

states that it is unclear whether a RAT 

deployment via unscheduled 

maintenance must be counted. US 

Airways and JetBlue Airways both state 

that the maintenance review board 

(MRB) task specifies a manual RAT 

deployment and an auto RAT 

deployment, and questions if doing the 

MRB tasks counts as two RAT 

deployments. 

We do not agree to remove the RAT 

deployment criteria. However, we agree 

to clarify what counts as a RAT 

deployment in this AD. A flight 

deployment means any RAT 

deployment that occurs during flight, 

whether scheduled or unscheduled. 

RAT deployment during a MRB task 

procedure means doing both a manual 

and automatic RAT deployment and 

counts as two RAT deployments. No 

change has been made to the AD in this 

regard. 

Request To Allow Further Flights With 

a Cracked Upper Lug 

EMBRAER and Air Transport 

Association (ATA), on behalf of its 

member US Airways, request that we 

revise the NPRM to remove the 

requirement to replace cracked upper 

lugs before further flight. EMBRAER 

requests that operators be allowed to 

operate airplanes up to 600 hours with 

a cracked upper lug. EMBRAER states 

that the RAT was designed to remain 

operational with one damaged 

machined support and that the 600 

hours were deemed appropriate by risk 

analysis calculations. 

Air Transport Association (ATA), on 

behalf of its member US Airways, 

requests that the more stringent criteria 

to replace any cracked lug of the RAT 

machined support with a new support 

before further flight, as specified in the 

‘‘FAA AD Differences’’ section of the 

NPRM, be removed. US Airways states 

that the more stringent criteria are not 

justified and would cause unnecessary 

operational disruptions. 

We disagree with the request to allow 

airplanes to operate with a cracked 

upper lug. We have reviewed the risk 

analysis and found that there is no 

evidence that flights with a cracked 

upper lug, once found, would provide 

an adequate level of safety. If additional 

data are presented that would justify 

operating with a cracked upper lug, we 

might consider further rulemaking on 

this issue. We have not changed the AD 

in this regard. 

Request To Allow the Use of Future 

Revised Service Bulletins 

Air Transport Association (ATA) on 

behalf of its member US Airways 

requests that the ‘‘Actions and 

Compliance’’ paragraph of the proposed 

NPRM be revised to allow use of revised 

service bulletins. US Airways states that 

due to possible material shortages, 

alternative materials may be specified in 

a future revised service bulletin. 

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Federal Register / Vol. 75, No. 164 / Wednesday, August 25, 2010 / Rules and Regulations 52265 

We disagree with the request to allow 

the use of future revised service 

bulletins. Using the phrase ‘‘or later 

FAA-approved revisions’’ in reference to 

a specific service bulletin in an AD 

violates Office of the Federal Register 

regulations for approving materials that 

are incorporated by reference. The 

procedures included in EMBRAER 

Service Bulletins 170–53–0057, dated 

February 21, 2008; and 190–53–0027, 

dated February 18, 2008; provide an 

adequate level of safety. If the service 

bulletin is revised later, an operator may 

apply for approval of an alternative 

method of compliance (AMOC) in 

accordance with the procedures 

outlined in paragraph (g) of this AD to 

be allowed to use that service bulletin 

revision. We have not changed the AD 

in this regard. 

Request To Add Note Regarding Correct 

RAT Stow Procedure 

EMBRAER requests that a note be 

added to the AD to reaffirm the correct 

RAT stow procedure. 

We agree. We have added Note 1 to 

this AD to specify the correct stow 

procedure. 

Conclusion 

We reviewed the available data, 

including the comments received, and 

determined that air safety and the 

public interest require adopting the AD 

with the changes described previously. 

We determined that these changes will 

not increase the economic burden on 

any operator or increase the scope of the 

AD. 

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 our FAA 

policies. Any such differences are 

highlighted in a Note within the AD. 

Explanation of Change to Costs of 

Compliance 

Since issuance of the NPRM, we have 

increased the labor rate used in the 

Costs of Compliance from $80 per workhour to $85 per work-hour. The Costs of 

Compliance information, below, reflects 

this increase in the specified hourly 

labor rate. 

Costs of Compliance 

We estimate that this AD will affect 

163 products of U.S. registry. We also 

estimate that it will take about 60 workhours per product to comply with the 

basic requirements of this AD. The 

average labor rate is $85 per work-hour. 

Required parts will cost about $7,535 

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 

$2,059,505, or $12,635 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 the 

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:// 

www.regulations.gov; 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 the NPRM, the regulatory 

evaluation, any comments received, and 

other information. The street address for 

the Docket Operations office (telephone 

(800) 647–5527) 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: 

2010–18–04 Empresa Brasileira de 

Aeronautica S.A. (EMBRAER): 

Amendment 39–16417. Docket No. 

FAA–2009–0497; Directorate Identifier 

2009–NM–019–AD. 

Effective Date 

(a) This airworthiness directive (AD) 

becomes effective September 29, 2010. 

Affected ADs 

(b) None. 

Applicability 

(c) This AD applies to EMBRAER Model 

ERJ 170–100 LR, –100 STD, –100 SE, –100 

SU, –200 LR, –200 STD, and –200 SU 

airplanes, serial numbers 17000002, 

17000004 through 17000013 inclusive, and 

17000015 through 17000208 inclusive; and 

Model ERJ 190–100 LR, –100 IGW, –100 STD, 

–200 STD, –200 LR, and –200 IGW airplanes, 

serial numbers 19000002, 19000004, and 

19000006 through 19000152 inclusive; 

certificated in any category. 

Subject 

(d) Air Transport Association (ATA) of 

America Code 53: Fuselage. 

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52266 Federal Register / Vol. 75, No. 164 / Wednesday, August 25, 2010 / Rules and Regulations 

Reason 

(e) The mandatory continuing 

airworthiness information (MCAI) states: 

It has been found the possibility of cracks 

developing in the ram air turbine (RAT) 

machined support, located in the forward 

compartment [zone 124] of [the] aircraft, due 

to downlock pin not [being] pull[ed] during 

its retraction. In case of RAT failure or 

malfunction, it will not provide electrical 

power to essential systems of [the] aircraft in 

[an] electrical emergency situation. 

* * * * * 

Lack of electrical power could result in 

reduced controllability of the airplane. 

Corrective actions include a detailed visual 

inspection for cracking of the RAT machined 

support, replacing the support with a new 

part if any crack is found, and reinforcing or 

replacing the support if no crack is found. 

Actions and Compliance 

(f) Unless already done, within 600 flight 

hours after the effective date of this AD: 

Perform a detailed visual inspection for 

cracks in the RAT machined support, in 

accordance with the Accomplishment 

Instructions of EMBRAER Service Bulletin 

170–53–0057, dated February 21, 2008; or 

EMBRAER Service Bulletin 190–53–0027, 

dated February 18, 2008; as applicable. 

(1) If no crack is found, do the actions in 

either paragraph (f)(1)(i) or (f)(1)(ii) of this 

AD. 

(i) At the earlier of the times specified in 

paragraphs (f)(1)(i)(A) and (f)(1)(i)(B) of this 

AD, install reinforcements in the RAT 

machined support or replace the RAT 

machined support with a new support having 

part number 170–18676–405, in accordance 

with the Accomplishment Instructions of 

EMBRAER Service Bulletin 170–53–0057, 

dated February 21, 2008; or EMBRAER 

Service Bulletin 190–53–0027, dated 

February 18, 2008; as applicable. 

(A) Within 5,000 flight hours after 

accomplishing the inspection required by 

paragraph (f) of this AD. 

(B) Before further flight after the next two 

RAT deployments—which can be a flight 

deployment or a ground deployment as part 

of a maintenance task—after accomplishing 

the inspection required by paragraph (f) of 

this AD. 

(ii) Do the actions specified in paragraph 

(f)(1)(ii)(A) and (f)(1)(ii)(B) of this AD. 

(A) Do the inspection specified in 

paragraph (f) of this AD before further flight 

after each RAT deployment—which can be a 

flight deployment or a ground deployment as 

part of a maintenance task—until the 

installation specified in paragraph (f)(1)(ii)(B) 

of this AD is accomplished or the 

replacement specified in paragraph (f)(2) of 

this AD is accomplished. 

(B) Within 5,000 flight hours after 

accomplishing the inspection required by 

paragraph (f) of this AD, install 

reinforcements in the RAT machined support 

or replace the RAT machined support with 

a new support having part number 170– 

18676–405, in accordance with the 

Accomplishment Instructions of EMBRAER 

Service Bulletin 170–53–0057, dated 

February 21, 2008; or EMBRAER Service 

Bulletin 190–53–0027, dated February 18, 

2008; as applicable. 

(2) If any cracking is found, before further 

flight replace the RAT machined support 

with a new support having part number 170– 

18676–405, in accordance with the 

Accomplishment Instructions of EMBRAER 

Service Bulletin 170–53–0057, dated 

February 21, 2008; or EMBRAER Service 

Bulletin 190–53–0027, dated February 18, 

2008; as applicable. 

Note 1: Guidance on retracting the RAT 

without damaging the RAT machined 

support may be found in Task Number 24– 

23–00–840–801–A/200—Ram-Air-Turbine 

(RAT)—Retraction, of the EMBRAER 170/190 

Airplane Maintenance Manual. 

FAA AD Differences 

Note 2: This AD differs from the MCAI 

and/or service information as follows: 

Although the MCAI or service information 

allows further flight after cracks are found 

during compliance with the required action, 

paragraph (f)(2) of this AD requires that you 

replace any cracked lug of the RAT machined 

support with a new support before further 

flight. 

Other FAA AD Provisions 

(g) The following provisions also apply to 

this AD: 

(1) Alternative Methods of Compliance 

(AMOCs): The Manager, International 

Branch, ANM–116, FAA, has the authority to 

approve AMOCs for this AD, if requested 

using the procedures found in 14 CFR 39.19. 

Send information to ATTN: Kenny Kaulia, 

Aerospace Engineer, International Branch, 

ANM–116, Transport Airplane Directorate, 

FAA, 1601 Lind Avenue, SW., Renton, 

Washington 98057–3356; telephone (425) 

227–2848; fax (425) 227–1149. Before using 

any approved AMOC on any airplane to 

which the AMOC applies, notify your 

principal maintenance inspector (PMI) or 

principal avionics inspector (PAI), as 

appropriate, or lacking a principal inspector, 

your local Flight Standards District Office. 

(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 FAAapproved 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, 

the Office of Management and Budget (OMB) 

has approved the information collection 

requirements and has assigned OMB Control 

Number 2120–0056. 

Related Information 

(h) Refer to MCAI Ageˆncia Nacional de 

Aviac ̧a ̃o Civil (ANAC) Airworthiness 

Directives 2008–10–05 and 2008–10–06, both 

dated November 10, 2008; EMBRAER Service 

Bulletin 170–53–0057, dated February 21, 

2008; and EMBRAER Service Bulletin 190– 

53–0027, dated February 18, 2008; for related 

information. 

Material Incorporated by Reference 

(i) You must use EMBRAER Service 

Bulletin 170–53–0057, dated February 21, 

2008; or EMBRAER Service Bulletin 190–53– 

0027, dated February 18, 2008; as applicable; 

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 

this service information under 5 U.S.C. 

552(a) and 1 CFR part 51. 

(2) For service information identified in 

this AD, contact Empresa Brasileira de 

Aeronautica S.A. (EMBRAER), Technical 

Publications Section (PC 060), Av. Brigadeiro 

Faria Lima, 2170—Putim—12227–901 Sa ̃o 

Jose dos Campos—SP—BRASIL; telephone: 

+55 12 3927–5852 or +55 12 3309–0732; fax: 

+55 12 3927–7546; e-mail: 

distrib@embraer.com.br; Internet: http:// 

www.flyembraer.com. 

(3) You may review copies of the service 

information at the FAA, Transport Airplane 

Directorate, 1601 Lind Avenue, SW., Renton, 

Washington. For information on the 

availability of this material at the FAA, call 

425–227–1221. 

(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 NARA, call 202–741–6030, or go 

to: http://www.archives.gov/federal_register/

code_of_federal_regulations/ibr_

locations.html. 

Issued in Renton, Washington, on August 

13, 2010. 

Ali Bahrami, 

Manager, Transport Airplane Directorate, 

Aircraft Certification Service. 

[FR Doc. 2010–20843 Filed 8–24–10; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF THE TREASURY 

Internal Revenue Service 

26 CFR Part 1 

[TD 9495] 

RIN 1545–BC61 

Qualified Zone Academy Bonds; 

Obligations of States and Political 

Subdivisions; Correction 

AGENCY: Internal Revenue Service (IRS), 

Treasury. 

ACTION: Correcting amendment. 

SUMMARY: This document contains a 

correction to final regulations (TD 9495) 

that were published in the Federal 

Register on Friday, July 30, 2010 (75 FR 

44901) providing guidance to state and 

local governments that issue qualified 

zone academy bonds and to banks, 

insurance companies, and other 

taxpayers that hold those bonds on the 

program requirements for qualified zone 

academy bonds. 

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