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640000–26 hat section for cracks. Follow appropriate. If sending information directly support struts of the passenger doors. Procedure 9 under in the to the manager of the ACO, send it to the Since we issued AD 2008–14–16, we ‘‘I’’ Check Procedures of Hawker Beechcraft attention of the person identified in the received reports that certain fasteners, Corporation Model 1900/1900C Related Information section of this AD. which were installed as part of the Structural Inspection Manual, Part Number (2) Before using any approved AMOC, 98–30937G2, dated May 1, 2013. notify your appropriate principal inspector, modification, are the wrong length. This (4) For Model 1900D airplanes: Within or lacking a principal inspector, the manager proposed AD would require replacing 1,200 hours TIS after the initial inspection of the local flight standards district office/ the fasteners which were installed as required in paragraph (g)(1) of this AD or certificate holding district office. part of the modification with new within 2 years after the initial inspection fasteners of the correct length, adds new required in paragraph (g)(1) of this AD, (k) Related Information airplanes, and removes one airplane. We whichever occurs first, and repetitively (1) For more information about this AD, are proposing this AD to prevent thereafter at intervals not to exceed 1,200 contact Paul Chapman, Aerospace Engineer, incidents of inadvertent opening and hours TIS or 2 years, whichever occurs first, Wichita Aircraft Certification Office, FAA, possible detachment of a passenger door inspect P/N 101–640011–3 and P/N 101– 1801 Airport Road, Room 100, Wichita, 640011–4 spar cap angles for cracks. Follow Kansas 67209; phone: (316) 946–4152; fax: in-flight, resulting in damage to airframe Procedure 6.b. under Vertical Stabilizer (316) 946–4107; email: paul.chapman@ and systems and loss of control of the Canted Stabilizer Station (CSS 69.184 faa.gov. airplane. through VSS 91.10) in the ‘‘I’’ Check (2) For service information identified in DATES: We must receive comments on Procedures of Beechcraft Corporation Model this AD, contact Beechcraft Corporation at this proposed AD by October 11, 2013. 1900D Airliner Structural Inspection Manual, address: 10511 E. Central, Wichita, Kansas ADDRESSES: You may send comments by Part Number 129–590000–65E5, dated May 1, 67206; phone: (800) 429–5372 or (316) 676– 2013. any of the following methods: 3140; Internet: http://www.beechcraft.com/ • Federal eRulemaking Portal: Go to (5) For Model 1900D airplanes: Within customer_support/contact_us/. You may 1,200 hours TIS after the initial inspection review copies of the referenced service http://www.regulations.gov. Follow the required in paragraph (g)(1) of this AD or information at the FAA, Small Airplane instructions for submitting comments. within 2 years after the initial inspection • Fax: (202) 493–2251. Directorate, 901 Locust, Kansas City, • required in paragraph (g)(1) of this AD, Missouri 64106. For information on the Mail: U.S. Department of whichever occurs first, and repetitively availability of this material at the FAA, call Transportation, Docket Operations, M– thereafter at intervals not to exceed 1,200 (816) 329–4148. 30, West Building Ground Floor, Room hours TIS or 2 years, whichever occurs first, W12–140, 1200 New Jersey Avenue SE., inspect P/N 114–640000–25 and P/N 114– Issued in Kansas City, Missouri, on August 20, 2013. Washington, DC 20590. 640000–26 hat section for cracks. Follow • Hand Delivery: U.S. Department of Procedure 6.c. under Vertical Stabilizer Earl Lawrence, Canted Stabilizer Station (CSS 69.184 Transportation, Docket Operations, M– Manager, Small Airplane Directorate, Aircraft 30, West Building Ground Floor, Room through VSS 91.10) in the ‘‘I’’ Check Certification Service. Procedures of Beechcraft Corporation Model W12–140, 1200 New Jersey Avenue SE., [FR Doc. 2013–20853 Filed 8–26–13; 8:45 am] 1900D Airliner Structural Inspection Manual, Washington, DC, between 9 a.m. and 5 Part Number 129–590000–65E5, dated May 1, BILLING CODE 4910–13–P p.m., Monday through Friday, except 2013. Federal holidays. (h) Repair For service information identified in DEPARTMENT OF TRANSPORTATION this proposed AD, contact 328 Support If any cracks are found during any of the Services GmbH, Global Support Center, inspections required in paragraph (g) of this Federal Administration AD, to include all subparagraphs, before P.O. Box 1252, D–82231 Wessling, Federal Republic of ; telephone further flight, you must contact Beechcraft 14 CFR Part 39 Corporation to obtain repair instructions +49 8153 88111 6666; fax +49 8153 approved by the Wichita Aircraft [Docket No. FAA–2013–0702; Directorate 88111 6565; email gsc.op@ Certification Office (ACO) specifically for Identifier 2012–NM–181–AD] 328support.de; Internet http:// compliance with this AD and incorporate RIN 2120–AA64 www.328support.de. You may review those instructions. You can find contact copies of the referenced service information for Beechcraft Corporation in information at the FAA, Transport paragraph (k)(1) of this AD. Airworthiness Directives; 328 Support Services GmbH ( Airplane Directorate, 1601 Lind Avenue (i) Special Flight Permit Previously Held by AvCraft Aerospace SW., Renton, WA. For information on If cracks are found during any of the GmbH; Fairchild Dornier GmbH; the availability of this material at the inspections required in paragraph (g) of this Dornier Luftfahrt GmbH) Airplanes FAA, call 425–227–1221. AD, to include all subparagraphs, the FAA may allow a one-time special flight permit to AGENCY: Federal Aviation Examining the AD Docket a repair facility depending on the cracking Administration (FAA), DOT. You may examine the AD docket on found. You must contact Beechcraft ACTION: Notice of proposed rulemaking the Internet at http:// Corporation and provide them with crack (NPRM). www.regulations.gov; or in person at the detail information for them to determine Docket Operations office between 9 a.m. residual strength of the airplane before applying to the FAA for a special flight SUMMARY: We propose to supersede and 5 p.m., Monday through Friday, permit. You can find contact information for airworthiness directive (AD) 2008–14– except Federal holidays. The AD docket Beechcraft Corporation in paragraph (k)(1) of 16 that applies to certain 328 Support contains this proposed AD, the this AD. Services GmbH (Type Certificate regulatory evaluation, any comments Previously Held by AvCraft Aerospace received, and other information. The (j) Alternative Methods of Compliance (AMOCs) GmbH; Fairchild Dornier GmbH; street address for the Docket Operations Dornier Luftfahrt GmbH) Model 328– office (telephone (800) 647–5527) is in (1) The Manager, Wichita ACO, FAA, has the ADDRESSES section. Comments will the authority to approve AMOCs for this AD, 100 and 328–300 airplanes. AD 2008– if requested using the procedures found in 14 14–16 currently requires installing be available in the AD docket shortly CFR 39.19. In accordance with 14 CFR 39.19, warning placards on the inside of the after receipt. send your request to your principal inspector passenger door and service doors and FOR FURTHER INFORMATION CONTACT: or local Flight Standards District Office, as modifying the hinge supports and Todd Thompson, Aerospace Engineer,

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International Branch, ANM–116, Community, has issued EASA For the reasons described above, this [EASA] Transport Airplane Directorate, FAA, Airworthiness Directive 2012–0183R1, AD retains the requirements of EASA AD 1601 Lind Avenue SW., Renton, WA dated September 28, 2012 (referred to 2007–0199, which is superseded, and 98057–3356; telephone (425) 227–1175; after this as the Mandatory Continuing requires replacement of the affected fasteners by the ones that have the correct length. fax (425) 227–1149. Airworthiness Information, or ‘‘the This [EASA] AD has been revised to correct SUPPLEMENTARY INFORMATION: MCAI’’), to correct an unsafe condition and clarify the actions required by paragraph for the specified products. The MCAI (3). Comments Invited states: We invite you to send any written This AD also adds new airplanes and At least one incident occurred where, removes one airplane from the relevant data, views, or arguments about immediately after take-off, the passenger door this proposed AD. Send your comments of a aeroplane completely applicability of this AD. You may obtain to an address listed under the opened. The flight crew reportedly had no further information by examining the ADDRESSES section. Include ‘‘Docket No. cockpit indication or audible chime prior to MCAI in the AD docket. FAA–2013–0702; Directorate Identifier this event. The aeroplane returned to the Relevant Service Information 2012–NM–181–AD’’ at the beginning of departure airfield and made an uneventful your comments. We specifically invite emergency landing. Substantial damage to 328 Support Services GmbH has the door, handrails, door hinge arms and issued 328 Support Services Service comments on the overall regulatory, fuselage skin were found. economic, environmental, and energy Bulletin SB–328–52–460, Revision 2, The subsequent investigation could not find dated March 1, 2012 (for Model 328–100 aspects of this proposed AD. We will any deficiency in the design of the main consider all comments received by the airplanes); and Dornier 328 Support cabin door locking mechanism. In addition, Services Service Bulletin SB–328J–52– closing date and may amend this no technical failure could be determined that proposed AD based on those comments. precipitated the event. The flight data 213, Revision 1, dated August 17, 2011 We will post all comments we recorder showed that the door was closed (for Model 328–300 airplanes). The receive, without change, to http:// and locked before take-off and opened actions described in this service www.regulations.gov, including any shortly afterwards. Although final proof information are intended to correct the personal information you provide. We could not be obtained, the most likely way unsafe condition identified in the will also post a report summarizing each in which the door opened was that the door MCAI. substantive verbal contact we receive handle was inadvertently operated during the take-off run. FAA’s Determination and Requirements about this proposed AD. In response to the incident, AvCraft (the TC of This Proposed AD Discussion holder at the time) developed a placard set This product has been approved by On July 17, 2008, we issued AD 2008– to warn the occupants against touching the the aviation authority of another door handle, as well as a structural country, and is approved for operation 14–16, Amendment 39–15611 (73 FR modification of the passenger door hinge 40955, July 17, 2008). AD 2008–14–16 supports described in [Dornier 328 Support in the United States. Pursuant to our required actions intended to address an Services] Service Bulletin (SB) SB–328–52– bilateral agreement with the State of unsafe condition on 328 Support 460 and SB–328J–52–213 to make certain Design Authority, we have been notified Services GmbH (Type Certificate that the door does not separate from the of the unsafe condition described in the Previously Held by AvCraft Aerospace aeroplane when inadvertently opened during MCAI and service information GmbH; Fairchild Dornier GmbH; flight, allowing a safe descent and landing. referenced above. We are proposing this Dornier Luftfahrt GmbH) Model 328– EASA issued AD 2007–0199 to require the AD because we evaluated all pertinent 100 and Model 328–300 airplanes. installation of warning placards and information and determined an unsafe Since we issued AD 2008–14–16, modification as detailed in these SB condition exists and is likely to exist or Amendment 39–15611 (73 FR 40955, instructions. develop on other products of the same July 17, 2008), we received reports that Since that AD [2007–0199] was issued, 328 type design. certain fasteners which were installed as Support Services GmbH (the current type certificate holder) have determined that Costs of Compliance part of the modification are the wrong certain fasteners, identified by Part Number length and need to be replaced. The (P/N) NAS6703U1 and P/N NAS6703U2, We estimate that this proposed AD European Aviation Safety Agency which were installed as part of the affects 35 airplanes of U.S. registry. (EASA), which is the aviation authority modification, have the wrong length and We estimate the following costs to for the Member States of the European must be replaced. comply with this proposed AD:

ESTIMATED COSTS

Cost per prod- Cost on U.S. Action Labor cost Parts cost uct operators

Modify passenger doors [retained actions from AD 38 work-hours × $85 per hour = $3230 $11,961 $15,191 $531,685 2008–14–16, Amendment 39–15611 (73 FR 40955, July 17, 2008)]. Replace fasteners [new proposed action] ...... 25 work-hours × 85 per hour = 2,125 .... 0 2,125 74,375

Authority for This Rulemaking detail the scope of the Agency’s promoting safe flight of civil aircraft in Title 49 of the United States Code authority. air commerce by prescribing regulations specifies the FAA’s authority to issue We are issuing this rulemaking under for practices, methods, and procedures rules on aviation safety. Subtitle I, the authority described in ‘‘Subtitle VII, the Administrator finds necessary for section 106, describes the authority of Part A, Subpart III, Section 44701: safety in air commerce. This regulation the FAA Administrator. ‘‘Subtitle VII: General requirements.’’ Under that is within the scope of that authority Aviation Programs,’’ describes in more section, Congress charges the FAA with because it addresses an unsafe condition

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that is likely to exist or develop on (b) Affected ADs effective date of August 21, 2008, the products identified in this rulemaking This AD supersedes AD 2008–14–16, effective date of AD 2008–14–16, action. Amendment 39–15611 (73 FR 40955, July 17, Amendment 39–15611 (73 FR 0955, July 17, 2008). 2008), modify the hinge supports and Regulatory Findings support struts of the passenger doors, in (c) Applicability accordance with the Accomplishment We determined that this proposed AD This AD applies to 328 Support Services Instructions of the service information would not have federalism implications GmbH (Type Certificate previously held by specified in paragraphs (g)(2)(i) through under Executive Order 13132. This AvCraft Aerospace GmbH; Fairchild Dornier (g)(2)(iv) of this AD, as applicable. As of the proposed AD would not have a GmbH; Dornier Luftfahrt GmbH) airplanes, effective date of this AD only the service substantial direct effect on the States, on certificated in any category, identified in information specified in paragraphs (g)(2)(ii) the relationship between the national paragraphs (c)(1) and (c)(2) of this AD. or (g)(2)(iv) of this AD, as applicable, may be Government and the States, or on the (1) Model 328–100 airplanes, serial used. (i) Dornier [328 Support Services] Service distribution of power and numbers 3005 through 3101 inclusive, 3103, 3104, 3106, 3109, 3110, 3112, 3113, 3115, Bulletin SB–328–52–460, dated February 4, responsibilities among the various 2005 (for Model 328–100 airplanes). levels of government. 3117, and 3119. (2) Model 328–300 airplanes, all serial (ii) Dornier 328 Support Services Service For the reasons discussed above, I numbers. Bulletin SB–328–52–460, Revision 2, dated certify this proposed regulation: March 1, 2012 (for Model 328–100 airplanes). (d) Subject (iii) Dornier [328J Support Services] 1. Is not a ‘‘significant regulatory Service Bulletin SB–328J–52–213, dated action’’ under Executive Order 12866; Air Transport Association (ATA) of America Code 11, Placards and Markings; February 4, 2005, (for Model 328–300 2. Is not a ‘‘significant rule’’ under the and Code 52, Doors. airplanes). DOT Regulatory Policies and Procedures (iv) Dornier 328J Support Services Service (44 FR 11034, February 26, 1979); (e) Reason Bulletin SB–328J–52–213, Revision 1, dated 3. Will not affect intrastate aviation in This AD was prompted by reports that August 17, 2011 (for Model 328–300 airplanes). Alaska; and certain fasteners, which were installed as part of a modification, are the wrong length. 4. Will not have a significant (h) New Installation and Modification for We are issuing this AD to prevent incidents Newly Added Airplanes economic impact, positive or negative, of inadvertent opening and possible on a substantial number of small entities detachment of a passenger door in-flight, For airplanes not identified in paragraph under the criteria of the Regulatory resulting in damage to airframe and systems (g) of this AD, do the actions required by Flexibility Act. and loss of control of the airplane. paragraphs (h)(1) and (h)(2) of this AD. (1) Within 30 days after the effective date We prepared a regulatory evaluation (f) Compliance of this AD, install warning placards on the of the estimated costs to comply with You are responsible for having the actions inside of the passenger door and service this proposed AD and placed it in the required by this AD performed within the doors, in accordance with the AD docket. compliance times specified, unless the Accomplishment Instructions of Dornier [328 actions have already been done. Support Services] Service Bulletin SB–328– List of Subjects in 14 CFR Part 39 11–454, dated May 3, 2004 (for Model 328– (g) Retained Installation and Modification 100 airplanes); or Dornier [328 Support Air transportation, Aircraft, Aviation for Airplanes Identified in AD 2008–14–16, safety, Incorporation by reference, Services] Service Bulletin SB–328J–11–209, Amendment 39–15611 (73 FR 40955, July 17, dated May 3, 2004 (for Model 328–300 Safety. 2008) with Revised Service Information airplanes); as applicable. The Proposed Amendment This paragraph restates the requirements of (2) Within 12 months after the effective paragraph (f) of AD 2008–14–16, Amendment date of this AD, modify the hinge supports Accordingly, under the authority 39–15611 (73 FR 40955, July 17, 2008), with and support struts of the passenger doors, in delegated to me by the Administrator, revised service information. accordance with the Accomplishment the FAA proposes to amend 14 CFR part (1) For Model 328–100 airplanes, serial Instructions of Dornier 328 Support Services 39 as follows: numbers 3005 through 3098 inclusive, 3100, Service Bulletin SB–328–52–460, Revision 2, 3106, 3109, 3110, 3112, 3113, 3115, 3117, dated March 1, 2012 (for Model 328–100 PART 39—AIRWORTHINESS and 3119; and Model 328–300 airplanes, airplanes); or Dornier 328 Support Services DIRECTIVES having serial numbers 3102, 3105, 3108, Service Bulletin SB–328J–52–213, Revision 3111, 3114, 3116, 3118, and 3120 through 1, dated August 17, 2011 (for Model 328–300 airplanes); as applicable. ■ 1. The authority citation for part 39 3224 inclusive: Within 30 days after August continues to read as follows: 21, 2008, the effective date of AD 2008–14– (i) New Replacement of Fasteners for all 16, Amendment 39–15611 (73 FR 40955, July Airplanes Authority: 49 U.S.C. 106(g), 40113, 44701. 17, 2008), install warning placards on the inside of the passenger door and service For airplanes on which 26 part number § 39.13 [Amended] doors, in accordance with the NAS6703U1 fasteners were installed as ■ 2. The FAA amends § 39.13 by Accomplishment Instructions of the service specified in the service information in information specified in paragraph (g)(1)(i) or paragraphs (g)(2)(i) and (g)(2)(iii) of this AD: removing airworthiness directive (AD) Within 6 months after the effective date of 2008–14–16, Amendment 39–15611 (73 (g)(1)(ii) of this AD, as applicable. (i) Dornier [328 Support Services] Service this AD, replace the 20 affected part number FR 40955, July 17, 2008), and adding the Bulletin SB–328–11–454, dated May 3, 2004 NAS6703U1 fasteners with new fasteners following new AD: (for Model 328–100 airplanes). having part number NAS6703U2, in 328 Support Services GmbH (Type (ii) Dornier [328 Support Services] Service accordance with the Accomplishment Certificate Previously Held by AvCraft Bulletin SB–328J–11–209, dated May 3, 2004 Instructions of Dornier 328 Support Services Aerospace GmbH; Fairchild Dornier (for Model 328–300 airplanes). Service Bulletin SB–328–52–460, Revision 2, GmbH; Dornier Luftfahrt GmbH): Docket (2) For Model 328–100 airplanes, serial dated March 1, 2012 (for Model 328–100 No. FAA–2013–0702; Directorate numbers 3005 through 3098 inclusive, 3100, airplanes); or Dornier 328 Support Services Identifier 2012–NM–181–AD. 3106, 3109, 3110, 3112, 3113, 3115, 3117, Service Bulletin SB–328J–52–213, Revision and 3119; and Model 328–300 airplanes, 1, dated August 17, 2011 (for Model 328–300 (a) Comments Due Date having serial numbers 3102, 3105, 3108, airplanes); as applicable. We must receive comments by October 11, 3111, 3114, 3116, 3118, and 3120 through Note 1 to paragraph (i) of this AD: Dornier 2013. 3224 inclusive: Within 12 months after the 328 Support Services Service Bulletin SB–

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328–52–460, Revision 2, dated March 1, 2012 DEPARTMENT OF TRANSPORTATION fax 206–766–5680; Internet https:// and Dornier 328 Support Services Service www.myboeingfleet.com. You may Bulletin SB–328J–52–213, Revision 1, dated Federal Aviation Administration review copies of the referenced service August 17, 2011, identify 20 of 26 part information at the FAA, Transport number NAS6703U1 fasteners requiring to be 14 CFR Part 39 Airplane Directorate, 1601 Lind Avenue replaced due to incorrect length. [Docket No. FAA–2013–0701; Directorate SW., Renton, Washington. For Identifier 2013–NM–073–AD] information on the availability of this (j) Credit for Previous Actions material at the FAA, call 425–227–1221. This paragraph provides credit for certain RIN 2120–AA64 actions required by paragraph (g) and (h)(2) Examining the AD Docket of this AD, if those actions were performed Airworthiness Directives; the Boeing You may examine the AD docket on before the effective date of this AD using 328 Company Airplanes the Internet at http:// Support Services Service Bulletin SB–328– AGENCY: Federal Aviation www.regulations.gov; or in person at the 52–460, Revision 1, dated August 17, 2011. Administration (FAA), DOT. Docket Management Facility between 9 a.m. and 5 p.m., Monday through (k) Other FAA AD Provisions ACTION: Notice of proposed rulemaking Friday, except Federal holidays. The AD The following provisions also apply to this (NPRM). docket contains this proposed AD, the AD: SUMMARY: We propose to adopt a new regulatory evaluation, any comments (1) Alternative Methods of Compliance airworthiness directive (AD) for all the received, and other information. The (AMOCs): The Manager, International street address for the Docket Office Branch, ANM–116, Transport Airplane Boeing Company Model 727 airplanes. This proposed AD is intended to (phone: 800–647–5527) is in the Directorate, FAA, has the authority to ADDRESSES section. Comments will be approve AMOCs for this AD, if requested complete certain mandated programs intended to support the airplane available in the AD docket shortly after using the procedures found in 14 CFR 39.19. receipt. In accordance with 14 CFR 39.19, send your reaching its limit of validity (LOV) of the engineering data that support the FOR FURTHER INFORMATION CONTACT: request to your principal inspector or local Galib Abumeri, Aerospace Engineer, Flight Standards District Office, as established structural maintenance Airframe Branch, ANM–120L, FAA, Los appropriate. If sending information directly program. This proposed AD would Angeles Aircraft Certification Office to the International Branch, send it to ATTN: require repetitive inspections for (ACO), 3960 Paramount Blvd., Suite Todd Thompson, Aerospace Engineer, cracking of small repairs done on the 100, Lakewood, CA 90712–4137; phone: International Branch, ANM–116, Transport vertical flange of the rib chord, 562–627–5324; fax: 562–672–5210; Airplane Directorate, FAA, 1601 Lind repetitive inspections for cracking along email: [email protected]. Avenue SW., Renton, WA 98057–3356; the upper fillet radius of the rib chord, telephone (425) 227–1175; fax (425) 227– and a large repair or preventive SUPPLEMENTARY INFORMATION: 1149. Information may be emailed to: 9- modification if necessary. Comments Invited [email protected]. Accomplishment of a large repair or We invite you to send any written Before using any approved AMOC, notify preventive modification would relevant data, views, or arguments about your appropriate principal inspector, or terminate the actions of the proposed this proposal. Send your comments to lacking a principal inspector, the manager of AD. We are proposing this AD to ADDRESSES the local flight standards district office/ prevent cracks in the rib upper chord, an address listed under the certificate holding district office. The AMOC which could result in the inability of the section. Include ‘‘Docket No. FAA– approval letter must specifically reference wing structure to support the limit load 2013–0701; Directorate Identifier 2013– this AD. condition, and consequent loss of NM–073–AD’’ at the beginning of your (2) Airworthy Product: For any requirement structural integrity of the wing. comments. We specifically invite in this AD to obtain corrective actions from comments on the overall regulatory, DATES: We must receive comments on economic, environmental, and energy a manufacturer or other source, use these this proposed AD by October 11, 2013. actions if they are FAA-approved. Corrective aspects of this proposed AD. We will ADDRESSES: You may send comments, actions are considered FAA-approved if they consider all comments received by the using the procedures found in 14 CFR are approved by the State of Design Authority closing date and may amend this 11.43 and 11.45, by any of the following (or their delegated agent). You are required proposed AD because of those methods: to assure the product is airworthy before it comments. • Federal eRulemaking Portal: Go to is returned to service. We will post all comments we http://www.regulations.gov. Follow the receive, without change, to http:// (l) Related Information instructions for submitting comments. www.regulations.gov, including any • (1) Refer to European Aviation Safety Fax: 202–493–2251. personal information you provide. We • Agency (EASA) Airworthiness Directive Mail: U.S. Department of will also post a report summarizing each 2012–0183R1, dated September 28, 2012, for Transportation, Docket Operations, M– substantive verbal contact we receive related information, which can be found in 30, West Building Ground Floor, Room about this proposed AD. the AD docket on the Internet at http:// W12–140, 1200 New Jersey Avenue SE., Discussion www.regulations.gov. Washington, DC 20590. • Hand Delivery: Deliver to Mail As described in FAA Advisory Issued in Renton, Washington, on August address above between 9 a.m. and 5 Circular 120–104 (http://www.faa.gov/ 16, 2013. p.m., Monday through Friday, except documentLibrary/media/Advisory_ Jeffrey E. Duven, Federal holidays. Circular/120–104.pdf), several programs Acting Manager, Transport Airplane For service information identified in have been developed to support Directorate, Aircraft Certification Service. this proposed AD, contact Boeing initiatives that will ensure the [FR Doc. 2013–20845 Filed 8–26–13; 8:45 am] Commercial Airplanes, Attention: Data continued airworthiness of aging & Services Management, P.O. Box 3707, airplane structure. The last element of BILLING CODE 4910–13–P MC 2H–65, Seattle, WA 98124–2207; those initiatives is the requirement to telephone 206–544–5000, extension 1; establish a limit of validity (LOV) of the

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