72598 Federal Register / Vol. 78, No. 232 / Tuesday, December 3, 2013 / Proposed Rules 

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Done at Washington, DC, on November 26, 

2013. 

Alfred V. Almanza, 

Administrator. 

[FR Doc. 2013–28840 Filed 12–2–13; 8:45 am] 

BILLING CODE 3410–DM–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2013–1012; Directorate 

Identifier 2013–CE–037–AD] 

RIN 2120–AA64 

Airworthiness Directives; British 

Aerospace Regional Aircraft Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), Department of 

Transportation (DOT). 

ACTION: Notice of proposed rulemaking 

(NPRM). 

SUMMARY: We propose to adopt a new 

airworthiness directive (AD) for British 

Aerospace Regional Aircraft Jetstream 

Series 3101 and Jetstream Model 3201 

airplanes. This proposed 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 

product. The MCAI describes the unsafe 

condition as stress corrosion cracking of 

the main landing gear yoke pintle 

housing on a Jetstream series 3100 

airplane. We are issuing this proposed 

AD to require actions to address the 

unsafe condition on these products. 

DATES: We must receive comments on 

this proposed AD by January 17, 2014. 

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. 

• Fax: (202) 493–2251. 

• Mail: U.S. Department of 

Transportation, Docket Operations, M– 

30, West Building Ground Floor, Room 

W12–140, 1200 New Jersey Avenue SE., 

Washington, DC 20590. 

• Hand Delivery: U.S. Department of 

Transportation, Docket Operations, M– 

30, West Building Ground Floor, Room 

W12–140, 1200 New Jersey Avenue SE., 

Washington, DC 20590, between 9 a.m. 

and 5 p.m., Monday through Friday, 

except Federal holidays. 

For service information identified in 

this proposed AD, contact BAE Systems 

(Operations) Ltd, Customer Information 

Department, Prestwick International 

Airport, Ayrshire, KA9 2RW, Scotland, 

United Kingdom; phone: +44 1292 

675207, fax: +44 1292 675704; email: 

RApublications@baesystems.com; 

Internet: http://

www.jetstreamcentral.com. You may 

review this referenced service 

information at the FAA, Small Airplane 

Directorate, 901 Locust, Kansas City, 

Missouri 64106. For information on the 

availability of this material at the FAA, 

call (816) 329–4148. 

Examining the AD Docket 

You may examine the AD docket on 

the Internet at http://

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 proposed AD, the 

regulatory evaluation, any comments 

received, and other information. The 

street address for the Docket Office 

(telephone (800) 647–5527) is in the 

ADDRESSES section. Comments will be 

available in the AD docket shortly after 

receipt. 

FOR FURTHER INFORMATION CONTACT: 

Taylor Martin, Aerospace Engineer, 

FAA, Small Airplane Directorate, 901 

Locust, Room 301, Kansas City, 

Missouri 64106; telephone: (816) 329– 

4138; fax: (816) 329–4090; email: 

taylor.martin@faa.gov. 

SUPPLEMENTARY INFORMATION:

Comments Invited 

We invite you to send any written 

relevant data, views, or arguments about 

this proposed AD. Send your comments 

to an address listed under the 

ADDRESSES section. Include ‘‘Docket No. 

FAA–2013–1012; Directorate Identifier 

2013–CE–037–AD’’ at the beginning of 

your comments. We specifically invite 

comments on the overall regulatory, 

economic, environmental, and energy 

aspects of this proposed AD. We will 

consider all comments received by the 

closing date and may amend this 

proposed AD because of those 

comments. 

We will post all comments we 

receive, without change, to http://

regulations.gov, including any personal 

information you provide. We will also 

post a report summarizing each 

substantive verbal contact we receive 

about this proposed AD. 

Discussion 

The European Aviation Safety Agency 

(EASA), which is the Technical Agent 

for the Member States of the European 

Community, has issued EASA AD No.: 

2013–0206, dated September 9, 2013 

(referred to after this as ‘‘the MCAI’’), to 

correct an unsafe condition for the 

specified products. The MCAI states: 

An occurrence of Jetstream 3100 main 

landing gear (MLG) failure after landing was 

reported. The subsequent investigation 

revealed stress corrosion cracking of the MLG 

yoke pintle housing as a root cause of the 

MLG failure. Degradation of the surface 

protection by abrasion can occur when the 

forward face of the yoke pintle rotates against 

the pintle bearing, which introduces 

corrosion pits and, consequently, stress 

corrosion cracking. 

This condition, if not corrected, could lead 

to structural failure of the MLG possibly 

resulting in loss of control of the aeroplane 

during take-off or landing runs. 

To address this potential unsafe condition, 

BAE Systems (Operations) Ltd issued Service 

Bulletin (SB) 32–JM7862 to provide 

instruction for installation of a protective 

washer fitted at the forward spigot on both, 

left hand (LH) and right hand (RH), MLG. 

For the reasons described above, this AD 

requires installation of a washer to protect 

the MLG at the forward face of the yoke 

pintle. 

You may examine the MCAI on the 

Internet at http://www.regulations.gov 

by searching for and locating it in 

Docket No. FAA–2013–1012. 

Relevant Service Information 

British Aerospace Regional Aircraft 

has issued British Aerospace Jetstream 

Series 3100 & 3200 Service Bulletin 32– 

JM7862, Revision 1, dated May 7, 2013. 

The actions described in this service 

information are intended to correct the 

unsafe condition identified in the 

MCAI. 

FAA’s Determination and Requirements 

of the Proposed AD 

This product has been approved by 

the aviation authority of another 

country, and is approved for operation 

in the United States. Pursuant to our 

bilateral agreement with this State of 

Design Authority, they have 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 and determined the unsafe 

condition exists and is likely to exist or 

develop on other products of the same 

type design. 


emcdonald on DSK67QTVN1PROD with PROPOSALS
Federal Register / Vol. 78, No. 232 / Tuesday, December 3, 2013 / Proposed Rules 72599 

Costs of Compliance 

We estimate that this proposed AD 

will affect 66 products of U.S. registry. 

We also estimate that it would take 

about 15 work-hours per product to 

comply with the basic requirements of 

this proposed AD. The average labor 

rate is $85 per work-hour. 

Based on these figures, we estimate 

the cost of the proposed AD on U.S. 

operators to be $84,150, or $1,275 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 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), 

(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. 

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 

■ 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: 

British Aerospace Regional Aircraft: Docket 

No. FAA–2013–1012; Directorate 

Identifier 2013–CE–037–AD. 

(a) Comments Due Date 

We must receive comments by January 17, 

2014. 

(b) Affected ADs 

None. 

(c) Applicability 

This AD applies to British Aerospace 

Regional Aircraft Jetstream Series 3101 and 

Jetstream Model 3201 airplanes, all serial 

numbers, certificated in any category. 

(d) Subject 

Air Transport Association of America 

(ATA) Code 32: Landing Gear. 

(e) Reason 

This AD was prompted by mandatory 

continuing airworthiness information (MCAI) 

originated 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 stress 

corrosion cracking of the main landing gear 

yoke pintle housing on a Jetstream series 

3101 airplane. We are issuing this proposed 

AD to add protective measure to prevent 

abrasion and subsequent corrosion from 

building on the main landing gear (MLG) 

yoke pintle housing. This condition if not 

corrected could cause structural failure of the 

MLG resulting in loss of control during takeoff or landing. 

(f) Actions and Compliance 

Unless already done, do the following 

actions as applicable in paragraphs (f)(1) 

through (f)(3) of this AD: 

(1) At the next scheduled MLG removal 

after the effective date of this AD, modify the 

LH and RH MLG installation at the forward 

spigot following the accomplishment 

instructions of British Aerospace Jetstream 

Series 3100 & 3200 Service Bulletin 32– 

JM7862, Revision 1, dated May 7, 2013. 

(2) As of the effective date of this AD, do 

not install any LH or RH MLG on Jetstream 

Series 3101 airplanes and Jetstream Model 

3201 airplanes unless it is found to be in 

compliance with the requirements of 

paragraph (f)(1) of this AD. 

(g) Credit for Actions Done in Accordance 

With Previous Service Information 

This AD allows credit for modification of 

an MLG to comply with the requirements of 

paragraph (f)(1) of this AD if already done 

before the effective date of this AD, following 

BAE Systems (Operations) Ltd SB 32– 

JM7862, original issue, dated April 8, 2013. 

(h) Other FAA AD Provisions 

The following provisions also apply to this 

AD: 

(1) Alternative Methods of Compliance 

(AMOCs): The Manager, Standards 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: Taylor Martin, Aerospace Engineer, 

FAA, Small Airplane Directorate, 901 Locust, 

Room 301, Kansas City, Missouri 64106; 

telephone: (816) 329–4138; fax: (816) 329– 

4090; email: taylor.martin@faa.gov. 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. 

(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. 

(i) Related Information 

Refer to MCAI European Aviation Safety 

Agency (EASA) AD No.: 2013–0206, dated 

September 9, 2013 for related information. 

You may examine the MCAI on the Internet 

at http://www.regulations.gov by searching 

for and locating it in Docket No. FAA–2013– 

1012. For service information related to this 

AD, contact BAE Systems (Operations) Ltd, 

Customer Information Department, Prestwick 

International Airport, Ayrshire, KA9 2RW, 

Scotland, United Kingdom; phone: +44 1292 

675207, fax: +44 1292 675704; email: 

RApublications@baesystems.com; Internet: 

http://www.jetstreamcentral.com. You may 

review this referenced service information at 

the FAA, Small Airplane Directorate, 901 

Locust, Kansas City, Missouri 64106. For 

information on the availability of this 

material at the FAA, call (816) 329–4148. 

Issued in Kansas City, Missouri, on 

November 25, 2013. 

Earl Lawrence, 

Manager, Small Airplane Directorate, Aircraft 

Certification Service. 

[FR Doc. 2013–28872 Filed 12–2–13; 8:45 am] 

BILLING CODE 4910–13–P 


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