6200 Federal Register / Vol. 78, No. 20 / Wednesday, January 30, 2013 / Rules and Regulations 

heating elements off after a maximum 

time of 20 minutes. 

11. Instructions for the cabin crew to 

ensure safe operation of the cooktop lid 

and timer must be provided. 

12. Evidence must be provided that 

with the cooktop lid closed, the 

temperature set on ‘‘high,’’ and the 

timer at maximum, the cooktop will 

maintain safe operation and will not 

create a hazardous condition even with 

cooking oil in the cooktop. 

Issued in Renton, Washington, on January 

24, 2013. 

Ali Bahrami, 

Manager, Transport Airplane Directorate, 

Aircraft Certification Service. 

[FR Doc. 2013–01939 Filed 1–29–13; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2012–0183; Directorate 

Identifier 2011–NM–131–AD; Amendment 

39–17328; AD 2013–02–07] 

RIN 2120–AA64 

Airworthiness Directives; The Boeing 

Company Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule. 

SUMMARY: We are adopting a new 

airworthiness directive (AD) for certain 

The Boeing Company Model 737–600, 

–700, –700C, –800, –900, and –900ER 

series airplanes. This AD was prompted 

by reports from the manufacturer that 

center overhead stowage (COS) boxes 

could fall from their supports under 

forward load levels less than the 9 g 

forward load requirements as defined by 

certain regulations. This AD requires 

modifying COS boxes by installing new 

brackets, stiffeners, and hardware as 

needed. We are issuing this AD to 

prevent detachment of COS boxes at 

forward load levels less than 9 g during 

an emergency landing, which would 

cause injury to passengers and/or crew, 

and could impede subsequent rapid 

evacuation. 

DATES: This AD is effective March 6, 

2013. 

The Director of the Federal Register 

approved the incorporation by reference 

of a certain publication listed in the AD 

as of March 6, 2013. 

ADDRESSES: 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. 

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 AD, the regulatory 

evaluation, any comments received, and 

other information. The address for the 

Docket Office (phone: 800–647–5527) is 

Document Management Facility, U.S. 

Department of Transportation, Docket 

Operations, M–30, West Building 

Ground Floor, Room W12–140, 1200 

New Jersey Avenue SE., Washington, 

DC 20590. 

FOR FURTHER INFORMATION CONTACT: 

Sarah Piccola, Aerospace Engineer, 

Cabin Safety and Environmental 

Systems Branch, ANM–150S, FAA, 

Seattle ACO, 1601 Lind Avenue SW., 

Renton, WA 98057–3356; phone: 425– 

917–6483; fax: 425–917–6590; email: 

sarah.piccola@faa.gov. 

SUPPLEMENTARY INFORMATION: 

Discussion 

We issued a notice of proposed 

rulemaking (NPRM) to amend 14 CFR 

part 39 to include an AD that would 

apply to the specified products. That 

NPRM published in the Federal 

Register on February 27, 2012 (77 FR 

11416). That NPRM proposed to require 

modifying COS boxes by installing new 

brackets, stiffeners, and hardware as 

needed. 

Comments 

We gave the public the opportunity to 

participate in developing this AD. The 

following presents the comments 

received on the proposal (77 FR 11416, 

February 27, 2012) and the FAA’s 

response to each comment. United 

Airlines and two private citizens 

support the NPRM. Aviation Partners 

Boeing stated that the installation of 

winglets per Supplemental Type 

Certificate (STC) ST00830SE does not 

affect the actions specified in the NPRM 

or Boeing Special Attention Service 

Bulletin 737–25–1641, Revision 1, dated 

August 8, 2011. 

Request To Revise the Compliance 

Time 

American Airlines requested that we 

extend the compliance time in the 

NPRM (77 FR 11416, February 27, 2012) 

from 60 months to 72 months to align 

with the heavy maintenance program 

driven by the Model 737 Maintenance 

Review Board. 

We do not agree with extending the 

compliance time to 72 months, because 

an operator has experienced an event 

where the COS box did not remain fully 

attached. An increase in compliance 

time is not in the interest of public 

safety. We have not changed the final 

rule regarding this issue. In developing 

an appropriate compliance time for this 

action, we considered the safety 

implications, parts availability, and 

normal maintenance schedules for the 

timely accomplishment of the 

modification. In consideration of these 

items, as well as the reports where the 

COS box did not remain fully attached, 

we have determined that a 60-month 

compliance time will ensure an 

acceptable level of safety and allow the 

modifications to be done during 

scheduled maintenance intervals for 

most affected operators. We have not 

changed the AD in this regard. 

Request To Revise Language 

Boeing requested that we clarify the 

language of the NPRM (77 FR 11416, 

February 27, 2012) and replace the 

words ‘‘other products of this same type 

design’’ in the paragraph ‘‘FAA’s 

Determination,’’ with the words ‘‘the 

Boeing 737 Next Generation (737NG) 

airplane prior to L/N 3518 excluding 

Boeing Sky Interior (BSI).’’ Boeing 

considered the existing language too 

general and confusing for operators. 

We disagree with changing the AD. 

This standard language contained under 

‘‘FAA’s Determination’’ is in all 

proposed airworthiness directives to 

show adherence to Part 39 of the 

Federal Aviation Regulations (14 CFR 

39), and is not restated in the final rule. 

Request To Revise Maximum Load 

Arkefly Airlines suggested that Boeing 

give the option to reduce the maximum 

load to a load that would meet the 9 g 

requirement without modification. The 

commenter suggested this could be 

incorporated by installing a placard 

with the new (reduced) maximum load. 

We disagree because the customer 

COS box configuration has already been 

taken into account. This AD addresses 

optional COS boxes. These boxes 

typically contain life rafts, palletized 

equipment, or miscellaneous 

equipment. Boeing based its original 


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design on the customer configurations 

and has determined that the design does 

not meet the 9 g load requirement. We 

have not changed the AD in this regard. 

Actions Since Previous NPRM (77 FR 

11416, February 27, 2012) Was Issued 

The previous NPRM (77 FR 11416, 

February 27, 2012) referred to Boeing 

Special Attention Service Bulletin 737– 

25–1641, Revision 1, dated August 8, 

2011, as the appropriate source of 

service information for accomplishing 

the required actions. Since we issued 

the previous NPRM, we have reviewed 

Boeing Special Attention Service 

Bulletin 737–25–1641, Revision 2, dated 

November 20, 2012, which made minor 

changes to part numbering of materials; 

added no additional work required by 

Boeing Special Attention Service 

Bulletin 737–25–1641, Revision 1, dated 

August 8, 2011; and both added and 

deleted airplanes from Group 2 

airplanes. The added airplanes are not 

in the U.S. registry. We revised 

paragraphs (c) and (g) of this AD to refer 

to Boeing Special Attention Service 

Bulletin 737–25–1641, Revision 2, dated 

November 20, 2012, and revised 

paragraph (h) to give credit for work 

performed before the effective date of 

the AD using Boeing Special Attention 

Service Bulletin 737–25–1641, Revision 

1, dated August 8, 2011. 

Conclusion 

We reviewed the relevant data, 

considered the comments received, and 

determined that air safety and the 

public interest require adopting the AD 

with the changes described previously 

and minor editorial changes. We have 

determined that these minor changes: 

• Are consistent with the intent that 

was proposed in the NPRM (77 FR 

11416, February 27, 2012) for correcting 

the unsafe condition; and 

• Do not add any additional burden 

upon the public than was already 

proposed in the NPRM (77 FR 11416, 

February 27, 2012). 

Costs of Compliance 

We estimate that this AD affects 526 

airplanes of U.S. registry. 

We estimate the following costs to 

comply with this AD: 

ESTIMATED COSTS

Action Labor cost Parts cost Cost per 

product 

Cost on U.S. 

operators 

Modification ............................. 31 work-hours × $85 per hour = $2,635 ................................ $6,118 $8,753 $4,604,078 

According to the manufacturer, some 

of the costs of this AD may be covered 

under warranty, thereby reducing the 

cost impact on affected individuals. We 

do not control warranty coverage for 

affected individuals. As a result, we 

have included all costs in our cost 

estimate. 

Authority for This Rulemaking 

Title 49 of the United States Code 

specifies the FAA’s authority to issue 

rules on aviation safety. Subtitle I, 

section 106, describes the authority of 

the FAA Administrator. Subtitle VII: 

Aviation Programs, describes in more 

detail the scope of the Agency’s 

authority. 

We are issuing this rulemaking under 

the authority described in Subtitle VII, 

Part A, Subpart III, Section 44701: 

‘‘General requirements.’’ Under that 

section, Congress charges the FAA with 

promoting safe flight of civil aircraft in 

air commerce by prescribing regulations 

for practices, methods, and procedures 

the Administrator finds necessary for 

safety in air commerce. This regulation 

is within the scope of that authority 

because it addresses an unsafe condition 

that is likely to exist or develop on 

products identified in this rulemaking 

action. 

Regulatory Findings 

This AD will not have federalism 

implications under Executive Order 

13132. This AD will not have a 

substantial direct effect on the States, on 

the relationship between the national 

government and the States, or on the 

distribution of power and 

responsibilities among the various 

levels of government. 

For the reasons discussed above, I 

certify that this AD: 

(1) Is not a ‘‘significant regulatory 

action’’ under Executive Order 12866, 

(2) Is not a ‘‘significant rule’’ under 

DOT Regulatory Policies and Procedures 

(44 FR 11034, February 26, 1979), 

(3) Will not affect intrastate aviation 

in Alaska, and 

(4) Will not have a significant 

economic impact, positive or negative, 

on a substantial number of small entities 

under the criteria of the Regulatory 

Flexibility Act. 

List of Subjects in 14 CFR Part 39 

Air transportation, Aircraft, Aviation 

safety, Incorporation by reference, 

Safety. 

Adoption of the Amendment 

Accordingly, under the authority 

delegated to me by the Administrator, 

the FAA amends 14 CFR part 39 as 

follows: 

PART 39—AIRWORTHINESS 

DIRECTIVES 

■ 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): 

2013–02–07 The Boeing Company: 

Amendment 39–17328; Docket No. FAA– 

2012–0183; Directorate Identifier 2011–NM– 

131–AD. 

(a) Effective Date 

This AD is effective March 6, 2013. 

(b) Affected ADs 

None. 

(c) Applicability 

This AD applies to The Boeing Company 

Model 737–600, –700, –700C, –800, –900, 

and –900ER series airplanes, certificated in 

any category, as identified in Boeing Special 

Attention Service Bulletin 737–25–1641, 

Revision 1, dated August 8, 2011, as revised 

by Boeing Special Attention Service Bulletin 

737–25–1641, Revision 2, dated November 

20, 2012. 

(d) Subject 

Joint Aircraft System Component (JASC)/ 

Air Transport Association (ATA) of America 

Code 25: Equipment/Furnishings. 

(e) Unsafe Condition 

This AD was prompted by reports from the 

manufacturer that center overhead stowage 

(COS) boxes could fall from their supports 

under forward load levels less than the 9 g 

forward load requirements as defined by 

Federal Aviation Regulations. We are issuing 

this AD to prevent detachment of COS boxes 

at forward load levels less than 9 g during an 

emergency landing, which would cause 

injury to passengers and/or crew, and could 

impede subsequent rapid evacuation. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 


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6202 Federal Register / Vol. 78, No. 20 / Wednesday, January 30, 2013 / Rules and Regulations 

(g) Modification and Installation of COS 

Boxes 

Within 60 months after the effective date 

of this AD, modify the COS boxes in 

accordance with the Accomplishment 

Instructions of Boeing Special Attention 

Service Bulletin 737–25–1641, Revision 2, 

dated November 20, 2012. 

(h) Credit for Previous Actions 

This paragraph provides credit for the 

modification required by paragraph (g) of this 

AD, if the modification was performed before 

the effective date of this AD using Boeing 

Special Attention Service Bulletin 737–25– 

1641, dated May 13, 2011, which is not 

incorporated by reference in this AD; or 

Boeing Special Attention Service Bulletin 

737–25–1641, Revision 1, dated August 8, 

2011. 

(i) 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 

Aircraft Certification Office, to make those 

findings. 

(j) Related Information 

(1) For more information about this AD, 

contact Sarah Piccola, Aerospace Engineer, 

Cabin Safety and Environmental Systems 

Branch, ANM–150S, FAA, Seattle ACO, 1601 

Lind Avenue SW., Renton, WA 98057–3356; 

phone: 425–917–6483; fax: 425–917–6590; 

email: sarah.piccola@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, Washington 98124–2207; telephone 

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

5680; Internet https:// 

www.myboeingfleet.com. 

(k) Material Incorporated by Reference 

(1) The Director of the Federal Register 

approved the incorporation by reference 

(IBR) of the service information listed in this 

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

part 51. 

(2) You must use this service information 

as applicable to do the actions required by 

this AD, unless the AD specifies otherwise. 

(i) Boeing Special Attention Service 

Bulletin 737–25–1641, Revision 1, dated 

August 8, 2011. 

(ii) Boeing Special Attention Service 

Bulletin 737–25–1641, Revision 2, dated 

November 20, 2012. 

(3) For The Boeing Company 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. 

(4) You may view this service information 

at 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. 

(5) You may view this 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/cfr/ibrlocations.html. 

Issued in Renton, Washington, on January 

18, 2013. 

Michael Kaszycki, 

Acting Manager, Transport Airplane 

Directorate, Aircraft Certification Service. 

[FR Doc. 2013–01718 Filed 1–29–13; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2011–0258; Directorate 

Identifier 2010–NM–191–AD; Amendment 

39–17326; AD 2013–02–05] 

RIN 2120–AA64 

Airworthiness Directives; the Boeing 

Company 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule. 

SUMMARY: We are adopting a new 

airworthiness directive (AD) for certain 

The Boeing Company Model 737–600, 

–700, –700C, –800, –900, and –900ER 

series airplanes. This AD requires, for 

certain airplanes, installing two warning 

level indicator lights on each of the P1– 

3 and P3–1 instrument panels in the 

flight compartment. This AD also 

requires, for certain airplanes, replacing 

the existing P5–16 and P5–10 panels; 

and, for certain airplanes, replacing the 

basic P5–16 panel with a high altitude 

landing P5–16 panel. Additionally, this 

AD requires revising the airplane flight 

manual to remove certain requirements 

of previous AD actions, and to advise 

the flightcrew of certain changes. This 

AD was prompted by a design change in 

the cabin altitude warning system that 

would address the identified unsafe 

condition. We are issuing this AD to 

prevent failure of the flightcrew to 

recognize and react to a valid cabin 

altitude warning horn, which could 

result in incapacitation of the flightcrew 

due to hypoxia (a lack of oxygen in the 

body), and consequent loss of control of 

the airplane. 

DATES: This AD is effective March 6, 

2013. 

The Director of the Federal Register 

approved the incorporation by reference 

of a certain publication listed in the AD 

as of March 6, 2013. 

The Director of the Federal Register 

approved the incorporation by reference 

of certain publications listed in the AD 

as of November 7, 2012 (77 FR 60296, 

October 3, 2012). 

ADDRESSES: For service information 

identified in this AD, contact Boeing 

Commercial Airplanes, Attention: Data 

& Services Management, P.O. Box 3707, 

MC 2H–65, Seattle, Washington 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, Washington. 

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 AD, the regulatory 

evaluation, any comments received, and 

other information. The address for the 

Docket Office (phone: 800–647–5527) is 

Document Management Facility, U.S. 

Department of Transportation, Docket 

Operations, M–30, West Building 

Ground Floor, Room W12–140, 1200 

New Jersey Avenue SE., Washington, 

DC 20590. 

FOR FURTHER INFORMATION CONTACT: 

Jeffrey W. Palmer, Aerospace Engineer, 

Systems and Equipment Branch, ANM– 

130S, FAA, Seattle Aircraft Certification 

Office, 1601 Lind Avenue SW., Renton, 

Washington 98057–3356; phone: (425) 

917–6472; fax: (425) 917–6590; email: 

jeffrey.w.palmer@faa.gov. 

SUPPLEMENTARY INFORMATION: 

Discussion 

We issued a supplemental notice of 

proposed rulemaking (SNPRM) to 


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