Federal Register / Vol. 78, No. 138 / Thursday, July 18, 2013 / Proposed Rules 42895 

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. 

We prepared a regulatory evaluation 

of the estimated costs to comply with 

this proposed AD and placed it in the 

AD docket. 

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: 

Bombardier, Inc.: Docket No. FAA–2013– 

0548; Directorate Identifier 2013–NM– 

008–AD. 

(a) Comments Due Date 

We must receive comments by September 

3, 2013. 

(b) Affected ADs 

None. 

(c) Applicability 

This AD applies to Bombardier, Inc. Model 

BD–700–1A11 airplanes, certificated in any 

category, modified by FAA Supplemental 

Type Certificate (STC) ST02140NY, issued 

October 14, 2005. Internet: http://rgl.faa.gov/ 

Regulatory_and_Guidance_Library/rgstc.nsf/

0/6B8CF26D01F5E6DE862570C7006DCD7E?

OpenDocument&Highlight=st02140ny. 

(d) Subject 

Air Transport Association (ATA) of 

America Code 35, Oxygen. 

(e) Reason 

This AD was prompted by a report that 

certain lanyards for the passenger oxygen 

masks are longer than the specified length, 

possibly leading to inactive oxygen masks in 

an emergency. We are issuing this AD to 

detect and correct lanyards of incorrect 

length, which might not activate the flow of 

oxygen in an emergency, resulting in injury 

to passengers. 

(f) Compliance 

You are responsible for having the actions 

required by this AD performed within the 

compliance times specified, unless the 

actions have already been done. 

(g) Replacement 

Within 750 flight hours or 15 months after 

the effective date of this AD, whichever 

occurs first: Replace lanyards having part 

numbers (PN) B431564–503 and –505 for all 

passenger oxygen dispensing units, with 

lanyards having PN B431564–507, in 

accordance with the Accomplishment 

Instructions of Bombardier Service Bulletin 

700–1A11–35–009, dated October 22, 2012. 

(h) Other FAA AD Provisions 

The following provisions also apply to this 

AD: 

(1) Alternative Methods of Compliance 

(AMOCs): The Manager, New York Aircraft 

Certification Office (ACO), ANE–170, FAA, 

has the authority to approve AMOCs for this 

AD, if requested using the procedures found 

in 14 CFR 39.19. In accordance with 14 CFR 

39.19, send your request to your principal 

inspector or local Flight Standards District 

Office, as appropriate. If sending information 

directly to the ACO, send it to ATTN: 

Program Manager, Continuing Operational 

Safety, FAA, New York ACO, 1600 Stewart 

Avenue, Suite 410, Westbury, NY 11590; 

telephone 516–228–7300; fax 516–794–5531. 

Before using any approved AMOC, notify 

your appropriate principal inspector, or 

lacking a principal inspector, the manager of 

the local flight standards district office/ 

certificate holding district office. The AMOC 

approval letter must specifically reference 

this AD. 

(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 

(1) Refer to Canadian Airworthiness 

Directive CF–2012–31, dated December 7, 

2012, for related information. 

(2) For service information identified in 

this AD, contact Bombardier, Inc., 400 CoˆteVertu Road West, Dorval, Que ́bec H4S 1Y9, 

Canada; telephone 514–855–5000; fax 514– 

855–7401; email 

thd.crj@aero.bombardier.com; Internet http:// 

www.bombardier.com. You may review 

copies of the referenced service information 

at the FAA, Transport Airplane Directorate, 

1601 Lind Avenue SW., Renton, WA. For 

information on the availability of this 

material at the FAA, call 425–227–1221. 

Issued in Renton, Washington, on July 5, 

2013. 

Jeffrey E. Duven, 

Acting Manager, Transport Airplane 

Directorate, Aircraft Certification Service. 

[FR Doc. 2013–17255 Filed 7–17–13; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2013–0547; Directorate 

Identifier 2013–NM–028–AD] 

RIN 2120–AA64 

Airworthiness Directives; The Boeing 

Company Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Notice of proposed rulemaking 

(NPRM). 

SUMMARY: We propose to adopt a new 

airworthiness directive (AD) for certain 

The Boeing Company Model 727–200 

and 727–200F series airplanes. This 

proposed AD is intended to complete 

certain mandated programs intended to 

support the airplane reaching its limit of 

validity (LOV) of the engineering data 

that support the established structural 

maintenance program. This proposed 

AD would require a one-time inspection 

for cracking of the pressure floor of both 

main wheel wells, and related 

investigative and corrective actions if 

necessary; and would require modifying 

the pressure floor of both main wheel 

wells. We are proposing this AD to 

prevent fatigue cracking in the pressure 

floor of the main wheel wells, which 

could lead to rapid loss of cabin 

pressurization. 

DATES: We must receive comments on 

this proposed AD by September 3, 2013. 

ADDRESSES: You may send comments, 

using the procedures found in 14 CFR 

11.43 and 11.45, 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, 


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M–30, West Building Ground Floor, 

Room W12–140, 1200 New Jersey 

Avenue SE., Washington, DC 20590. 

• Hand Delivery: Deliver to Mail 

address above between 9 a.m. and 5 

p.m., Monday through Friday, except 

Federal holidays. 

For service information identified in 

this proposed AD, contact Boeing 

Commercial Airplanes, Attention: Data 

& Services Management, P.O. Box 3707, 

MC 2H–65, Seattle, WA 98124–2207; 

telephone 206–544–5000, extension 1; 

fax 206–766–5680; Internet https:// 

www.myboeingfleet.com. You may 

review copies of the referenced service 

information at the FAA, Transport 

Airplane Directorate, 1601 Lind Avenue 

SW., Renton, WA. For information on 

the availability of this material at the 

FAA, call 425–227–1221. 

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 

(phone: 800–647–5527) is in the 

ADDRESSES section. Comments will be 

available in the AD docket shortly after 

receipt. 

FOR FURTHER INFORMATION CONTACT: 

Galib Abumeri, Aerospace Engineer, 

Airframe Branch, ANM–120L, FAA, Los 

Angeles Aircraft Certification Office, 

3960 Paramount Blvd., Suite 100, 

Lakewood, CA 90712–4137; phone: 

562–627–5324; fax: 562–627–5210; 

email: Galib.Abumeri@faa.gov. 

SUPPLEMENTARY INFORMATION: 

Comments Invited 

We invite you to send any written 

relevant data, views, or arguments about 

this proposal. Send your comments to 

an address listed under the ADDRESSES

section. Include ‘‘Docket No. FAA– 

2013–0547; Directorate Identifier 2013– 

NM–028–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:// 

www.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 

As described in FAA Advisory 

Circular 120–104 (http://www.faa.gov/ 

documentLibrary/media/ 

Advisory_Circular/120-104.pdf), several 

programs have been developed to 

support initiatives that will ensure the 

continued airworthiness of aging 

airplane structure. The last element of 

those initiatives is the requirement to 

establish a LOV of the engineering data 

that support the structural maintenance 

program under 14 CFR 26.21. This AD 

is the result of an assessment of the 

previously established programs by 

Boeing during the process of 

establishing the LOV for Boeing Model 

727 series airplanes. The action 

specified in this proposed AD is 

necessary to complete certain programs 

to ensure the continued airworthiness of 

aging airplane structure and to support 

an airplane reaching its LOV. 

We have received reports of cracks in 

the pressure floor of the main landing 

gear (MLG) wheel wells. Three operators 

reported cracks from 25 to 48 inches 

long, resulting in rapid decompression 

of the airplane. Twenty-four operators 

reported 67 airplanes with cracks up to 

two inches located in the reinforcing 

beads on both sides of the frame. This 

fatigue cracking, if not corrected, could 

result in rapid loss of cabin 

pressurization. 

Relevant Service Information 

We reviewed Boeing Service Bulletin 

727–53A0124, Revision 3, dated 

November 30, 1989. For information on 

the procedures and compliance times, 

see this service information at http:// 

www.regulations.gov by searching for 

Docket No. FAA–2013–0547. 

FAA’s Determination 

We are proposing this AD because we 

evaluated all the relevant information 

and determined the unsafe condition 

described previously is likely to exist or 

develop in other products of the same 

type design. 

Proposed AD Requirements 

This proposed AD would require a 

one-time eddy current inspection, 

penetrant inspection, or detailed 

inspection for cracking of the pressure 

floor of both main wheel wells as 

described in Part I, ‘‘Inspection,’’ of the 

Accomplishment Instructions of the 

service information described 

previously, and related investigative 

and corrective actions if necessary; and 

would also require accomplishing the 

modification specified in Part III, 

‘‘Preventive Modification,’’ of the 

Accomplishment Instructions of the 

service information described 

previously. 

The phrase ‘‘related investigative 

actions’’ is used in this proposed AD. 

‘‘Related investigative actions’’ are 

follow-on actions that: (1) Are related to 

the primary actions, and (2) are actions 

that further investigate the nature of any 

condition found. Related investigative 

actions in an AD could include, for 

example, inspections. 

In addition, the phrase ‘‘corrective 

actions’’ is used in this proposed AD. 

‘‘Corrective actions’’ are actions that 

correct or address any condition found. 

Corrective actions in an AD could 

include, for example, repairs. 

Differences Between the Proposed AD 

and the Service Information 

Prior to accomplishing the preventive 

modification, this proposed AD would 

require a one-time inspection of the 

pressure floor for cracks in both the 

right and left main wheel wells, and 

corrective actions if necessary, in lieu of 

the repetitive inspections specified in 

Boeing Service Bulletin 727–53A0124, 

Revision 3, dated November 30, 1989. 

The repetitive inspections are addressed 

by AD 91–22–08, Amendment 39–8068 

(56 FR 57233, November 8, 1991). 

Additionally, the applicability of this 

proposed AD is different than the 

effectivity described in Boeing Service 

Bulletin 727–53A0124, Revision 3, 

dated November 30, 1989. 

Explanation of Compliance Time 

The compliance time for the 

modification specified in this proposed 

AD for addressing WFD was established 

to ensure that discrepant structure is 

modified before WFD develops in 

airplanes. Standard inspection 

techniques cannot be relied on to detect 

WFD before it becomes a hazard to 

flight. We will not grant any extensions 

of the compliance time to complete any 

AD-mandated service bulletin related to 

WFD without extensive new data that 

would substantiate and clearly warrant 

such an extension. 

Related Rulemaking 

AD 90–06–09, Amendment 39–6488 

(55 FR 8370, March 7, 1990), requires 

accomplishing the preventive 

modification specified in Boeing Alert 

Service Bulletin 727–53A0124, Revision 

2, dated May 2, 1975, for airplane line 

numbers 1 through 1102 inclusive. AD 

91–22–08, Amendment 39–8068 (56 FR 

57233, November 8, 1991), requires 

compliance with the inspection and 

repair, if necessary specified in Boeing 

Service Bulletin 727–53A0124, Revision 


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3, dated November 30, 1989, for 

airplane line numbers 1 through 1832 

inclusive, but does not require the 

preventive modification. 

Costs of Compliance 

We estimate that this proposed AD 

affects 94 airplanes of U.S. registry. 

We estimate the following costs to 

comply with this proposed AD: 

ESTIMATED COSTS

Action Labor cost Parts cost Cost per 

product 

Cost on U.S. 

operators 

Inspection and Modification .... 222 work-hours × $85 per hour = $18,870 ............................ $2,906 $21,776 $2,046,944 

We have received no definitive data 

that would enable us to provide cost 

estimates for the on-condition actions 

specified in this proposed AD. 

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 airworthiness 

directive (AD): 

The Boeing Company: Docket No. FAA– 

2013–0547; Directorate Identifier 2013– 

NM–028–AD. 

(a) Comments Due Date 

We must receive comments by September 

3, 2013. 

(b) Affected ADs 

This AD affects AD 91–22–08, Amendment 

39–8068 (56 FR 57233, November 8, 1991). 

(c) Applicability 

This AD applies to The Boeing Company 

Model 727–200 and 727–200F series 

airplanes, certificated in any category, lines 

numbers 1103 and subsequent. 

(d) Subject 

Joint Aircraft System Component (JASC)/ 

Air Transport Association (ATA) of America 

Code 53, Fuselage. 

(e) Unsafe Condition 

This AD is intended to complete certain 

mandated programs intended to support the 

airplane reaching its limit of validity (LOV) 

of the engineering data that support the 

established structural maintenance program. 

We are issuing this AD to prevent fatigue 

cracking in the pressure floor of the main 

wheel wells, which could lead to rapid loss 

of cabin pressurization. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 

(g) Inspection 

Before the accumulation of 60,000 total 

flight cycles, or within 24 months after the 

effective date of this AD, whichever occurs 

later: Do a one-time detailed inspection for 

cracking of the pressure floor of both main 

wheel wells, in accordance with the 

Accomplishment Instructions of Boeing 

Service Bulletin 727–53A0124, Revision 3, 

dated November 30, 1989, except as specified 

in paragraph (h) of this AD. If any indication 

of distress is found (such as cracking or 

flaked paint): Before further flight do an eddy 

current inspection or penetrant inspection for 

cracking of the pressure floor of both main 

wheel wells, and do all applicable related 

investigative and corrective actions, by 

accomplishing all the actions specified in the 

Accomplishment Instructions of Boeing 

Service Bulletin 727–53A0124, Revision 3, 

dated November 30, 1989. Do all applicable 

related investigative and corrective actions 

before further flight. 

(h) Exception to Service Information 

Where Boeing Service Bulletin 727– 

53A0124, Revision 3, dated November 30, 

1989, specifies a close visual inspection, this 

AD requires a detailed inspection, which is 

an intensive examination of a specific item, 

installation, or assembly to detect damage, 

failure, or irregularity. Available lighting is 

normally supplemented with a direct source 

of good lighting at an intensity deemed 

appropriate. Inspection aids such as mirror, 

magnifying lenses, etc., may be necessary. 

Surface cleaning and elaborate procedures 

may be required. 

(i) Preventive Modification 

Before further flight after accomplishing 

the actions required by paragraph (g) of this 

AD: Do a preventive modification of the 

pressure floor of both main wheel wells, in 

accordance with Part III of the 

Accomplishment Instructions of Boeing 

Service Bulletin 727–53A0124, Revision 3, 

dated November 30, 1989. 

(j) Credit for Previous Actions 

This paragraph provides credit for actions 

required by paragraph (i) of this AD, if those 

actions were performed before the effective 

date of this AD using Boeing Alert Service 

Bulletin 727–53A0124, Revision 2, dated 

May 2, 1975. 

(k) Termination of Certain Actions in AD 

91–22–08, Amendment 39–8068 (56 FR 

57233, November 8, 1991) 

Accomplishment of the preventative 

modification required by paragraph (i) of this 


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AD terminates the repetitive inspection 

requirement required by AD 91–22–08, 

Amendment 39–8068 (56 FR 57233, 

November 8, 1991) for airplanes with line 

number 1103 and subsequent. 

(l) Alternative Methods of Compliance 

(AMOCs) 

(1) The Manager, Seattle Aircraft 

Certification Office (ACO), FAA, has the 

authority to approve AMOCs for this AD, if 

requested using the procedures found in 14 

CFR 39.19. In accordance with 14 CFR 39.19, 

send your request to your principal inspector 

or local Flight Standards District Office, as 

appropriate. If sending information directly 

to the manager of the ACO, send it to the 

attention of the person identified in the 

Related Information section of this AD. 

Information may be emailed to: 9-ANMSeattle-ACO-AMOC-Requests@faa.gov. 

(2) Before using any approved AMOC, 

notify your appropriate principal inspector, 

or lacking a principal inspector, the manager 

of the local flight standards district office/ 

certificate holding district office. 

(3) An AMOC that provides an acceptable 

level of safety may be used for any repair 

required by this AD if it is approved by the 

Boeing Commercial Airplanes Organization 

Designation Authorization (ODA) that has 

been authorized by the Manager, Seattle 

ACO, to make those findings. For a repair 

method to be approved, the repair must meet 

the certification basis of the airplane, and the 

approval must specifically refer to this AD. 

(m) Related Information 

(1) For more information about this AD, 

contact Galib Abumeri, Aerospace Engineer, 

Airframe Branch, ANM–120L, FAA, Los 

Angeles Aircraft Certification Office, 3960 

Paramount Blvd., Suite 100, Lakewood, CA 

90712–4137; phone: 562–627–5324; fax: 562– 

627–5210; email: Galib.Abumeri@faa.gov. 

(2) For service information identified in 

this AD, contact Boeing Commercial 

Airplanes, Attention: Data & Services 

Management, P.O. Box 3707, MC 2H–65, 

Seattle, WA 98124–2207; telephone 206– 

544–5000, extension 1; fax 206–766–5680; 

Internet https://www.myboeingfleet.com. You 

may review copies of the referenced service 

information at the FAA, Transport Airplane 

Directorate, 1601 Lind Avenue SW., Renton, 

WA. For information on the availability of 

this material at the FAA, call 425–227–1221. 

Issued in Renton, Washington, on July 5, 

2013. 

Jeffrey E. Duven, 

Acting Manager, Transport Airplane 

Directorate, Aircraft Certification Service. 

[FR Doc. 2013–17253 Filed 7–17–13; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2013–0624; Directorate 

Identifier 2013–NM–071–AD] 

RIN 2120–AA64 

Airworthiness Directives; ATR–GIE 

Avions de Transport Re ́gional 

Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Notice of proposed rulemaking 

(NPRM). 

SUMMARY: We propose to adopt a new 

airworthiness directive (AD) for certain 

ATR–GIE Avions de Transport Re ́gional 

Model ATR72–101, –201, –102, –202, 

–211, –212, and –212A airplanes. This 

proposed AD was prompted by reports 

of airplane incidents and accidents that 

have occurred because of low-level fuel 

tank situations and fuel starvation that 

resulted in engine flameouts. This 

proposed AD would require installing a 

fuel quantity indicator (FQI) equipped 

with a locking adaptor on the electrical 

connector. We are proposing this AD to 

prevent an engine flame-out, which 

could result in reduced controllability 

of the airplane. 

DATES: We must receive comments on 

this proposed AD by September 3, 2013. 

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, between 9 a.m. and 5 

p.m., Monday through Friday, except 

Federal holidays. 

For service information identified in 

this proposed AD, contact ATR–GIE 

Avions de Transport Re ́gional, 1, Alle ́e 

Pierre Nadot, 31712 Blagnac Cedex, 

France; telephone +33 (0) 5 62 21 62 21; 

fax +33 (0) 5 62 21 67 18; email 

continued.airworthiness@atr.fr; Internet 

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

review copies of the referenced service 

information at the FAA, Transport 

Airplane Directorate, 1601 Lind Avenue 

SW., Renton, WA. For information on 

the availability of this material at the 

FAA, call 425–227–1221. 

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 this proposed AD, 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. 

FOR FURTHER INFORMATION CONTACT: Tom 

Rodriguez, Aerospace Engineer, 

International Branch, ANM–116, 

Transport Airplane Directorate, FAA, 

1601 Lind Avenue SW., Renton, WA 

98057–3356; telephone (425) 227–1137; 

fax (425) 227–1149. 

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–2013–0624; Directorate Identifier 

2013–NM–071–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 based on those comments. 

We will post all comments we 

receive, without change, to http:// 

www.regulations.gov, including any 

personal information you provide. We 

will also post a report summarizing each 

substantive verbal contact 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 

Airworthiness Directive 2013–0047, 

dated March 4, 2013 (referred to after 

this as the Mandatory Continuing 

Airworthiness Information, or ‘‘the 

MCAI’’), to correct an unsafe condition 

for the specified products. The MCAI 

states: 

Large aeroplane incidents and accidents 

have occurred because of fuel tank low level 

situations, or because of fuel starvation, 

resulting in one or several engine(s) flameout. The results of the investigation into an 

ATR 72 accident in August 2005 have shown 

that overruling standard operational 

procedures and maintenance practices have 

led to this kind of occurrence. 


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