13232 Federal Register / Vol. 77, No. 44 / Tuesday, March 6, 2012 / Proposed Rules 

category; all serial numbers; on which the 

left-hand sidewall of the nose landing gear 

(NLG) bay has one of the following part 

numbers installed: HC537L0002–000, –002, 

and –004, HC537H8021–000, –002, and –004, 

and HC537H8018–000. 

(d) Subject 

Air Transport Association (ATA) of 

America Code 53: Fuselage. 

(e) Reason 

This AD was prompted by a report of a 

crack found on the left-hand sidewall well on 

the NLG. We are issuing this AD to correct 

and detect failure of the sidewall, which 

could result in consequent in-flight rapid 

decompression of the cabin and injury to the 

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) Inspection 

Before the accumulation of 12,000 total 

flight cycles or within 4,000 flight cycles 

after the effective date of this AD, whichever 

occurs later: Perform a high frequency eddy 

current inspection of the stiffeners on the 

left-hand sidewall on the NLG gear bay 

adjacent to the boss at the NLG retraction 

jack attachment pin hole, in accordance with 

the Accomplishment Instructions of BAE 

SYSTEMS (OPERATIONS) LIMITED 

Inspection Service Bulletin ISB.53–229, 

Revision 1, dated November 22, 2010. Repeat 

the inspection thereafter at intervals not to 

exceed 12,000 flight cycles, except as 

provided in paragraph (i) of this AD. 

(h) Repair 

If, during any inspection required by 

paragraph (g) of this AD, any crack is found 

in the sidewall stiffeners, before further flight 

repair the sidewall stiffeners, using a method 

approved by either the Manager, 

International Branch, ANM 116, Transport 

Airplane Directorate, FAA; or the EASA (or 

its delegated agent); or do the replacement 

specified in paragraph (i) of this AD. 

(i) Optional Replacement 

Replacement of the sidewall stiffeners, 

with sidewall P/N HC537L0002–006, on any 

airplane, in accordance with the 

Accomplishment Instructions of BAE 

SYSTEMS (OPERATIONS) LIMITED 

Inspection Service Bulletin ISB.53–229, 

Revision 1, dated November 22, 2010, 

terminates the repetitive inspections required 

by paragraph (g) of this AD. 

(j) Parts Installation 

As of the effective date of this AD: No 

person may install a sidewall stiffener with 

P/N HC537L0002–000, –002, or –004, 

HC537H8021–000, –002, or –004, or 

HC537H8018–000, on any airplane. 

(k) Credit for Previous Actions 

This paragraph provides credit for 

inspections and replacements, as specified in 

paragraphs (g) and (i) of this AD, if those 

actions were performed before the effective 

date of this AD using BAE SYSTEMS 

(OPERATIONS) LIMITED Inspection Service 

Bulletin ISB.53–229, dated July 8, 2010. 

(l) Other FAA AD Provisions 

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. 

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 International Branch, send it to ATTN: 

Todd Thompson, Aerospace Engineer, 

International Branch, ANM–116, Transport 

Airplane Directorate, FAA, 1601 Lind 

Avenue SW., Renton, Washington 98057– 

3356; telephone (425) 227–1175; fax (425) 

227–1149. Information may be emailed to: 

9-ANM-116-AMOC-REQUESTS@faa.gov. 

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. 

(m) Related Information 

Refer to MCAI EASA Airworthiness 

Directive 2011–0097, dated May 25, 2011; 

and BAE SYSTEMS (OPERATIONS) 

LIMITED Inspection Service Bulletin ISB.53– 

229, Revision 1, dated November 22, 2010; 

for related information. 

Issued in Renton, Washington, on February 

27, 2012. 

Kalene C. Yanamura, 

Acting Manager, Transport Airplane 

Directorate, Aircraft Certification Service. 

[FR Doc. 2012–5380 Filed 3–5–12; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF HEALTH AND 

HUMAN SERVICES 

Food and Drug Administration 

21 CFR Part 172 

[Docket No. FDA–2012–F–0138] 

Abbott Laboratories; Filing of Food 

Additive Petition 

AGENCY: Food and Drug Administration, 

HHS. 

ACTION: Notice of petition. 

SUMMARY: The Food and Drug 

Administration (FDA) is announcing 

that Abbott Laboratories has filed a 

petition proposing that the food additive 

regulations be amended to provide for 

the expanded safe use of vitamin D3 as 

a nutrient supplement in food. 

FOR FURTHER INFORMATION CONTACT: 

Judith Kidwell, Center for Food Safety 

and Applied Nutrition (HFS–265), Food 

and Drug Administration, 5100 Paint 

Branch Pkwy., College Park, MD 20740– 

3835, 240–402–1071. 

SUPPLEMENTARY INFORMATION: Under the 

Federal Food, Drug, and Cosmetic Act 

(section 409(b)(5) (21 U.S.C. 348(b)(5))), 

notice is given that a food additive 

petition (FAP 2A4788) has been filed by 

Abbott Laboratories, 3300 Stelzer Rd., 

Columbus, OH 43219. The petition 

proposes to amend § 172.380 (21 CFR 

172.380) to provide for the safe use of 

vitamin D3 as a nutrient supplement in 

meal replacement beverages and meal 

replacement bars that are not intended 

for special dietary use in reducing or 

maintaining body weight and for use in 

foods that are sole sources of nutrition 

for enteral tube feeding. 

The Agency has determined under 21 

CFR 25.32(k) that this action is of a type 

that does not individually or 

cumulatively have a significant effect on 

the human environment. Therefore, 

neither an environmental assessment 

nor an environmental impact statement 

is required. 

Dated: February 29, 2012. 

Dennis M. Keefe, 

Director, Office of Food Additive Safety, 

Center for Food Safety and Applied Nutrition. 

[FR Doc. 2012–5314 Filed 3–5–12; 8:45 am] 

BILLING CODE 4160–01–P 

DEPARTMENT OF HOMELAND 

SECURITY 

Coast Guard 

33 CFR Part 165 

[Docket No. USCG–2012–0052] 

RIN 1625–AA87 

Security Zones; G8/North Atlantic 

Treaty Organization (NATO) Summit, 

Chicago, IL 

AGENCY: Coast Guard, DHS. 

ACTION: Notice of proposed rulemaking. 

SUMMARY: The Coast Guard proposes to 

establish four separate security zones on 

both the waters and waterfront area of 

Chicago Harbor and the Chicago River. 

These proposed temporary security 

zones are intended to restrict vessels, 

regardless of the mode of propulsion, 

and people from certain land and water 


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