Federal Register / Vol. 74, No. 153 / Tuesday, August 11, 2009 / Rules and Regulations 40061 SUMMARY: The Farm Credit Gulfstream Model G–IV, GIV–X, GV–SP Examining the AD Docket Administration (FCA or Agency), series airplanes and Model GV You may examine the AD docket on through the FCA Board (Board), issued airplanes. This AD requires, for certain the Internet at http:// a final rule under parts 619, 620, and airplanes, a one-time inspection for www.regulations.gov; or in person at the 621 on June 17, 2009, amending FCA’s sealant applied to the exterior of the Docket Management Facility between 9 regulations related to disclosure and auxiliary power unit (APU) enclosure a.m. and 5 p.m., Monday through reporting practices of Farm Credit (firewall), and, for airplanes with the Friday, except Federal holidays. The AD System institutions. In accordance with subject sealant and certain other docket contains this AD, the regulatory 12 U.S.C. 2252, the effective date of the airplanes, a revision of the airplane evaluation, any comments received, and final rule is 30 days from the date of flight manual to prohibit operation of other information. The street address for publication in the Federal Register the APU during certain ground and the Docket Office (telephone 800–647– during which either or both Houses of flight operations. This AD results from 5527) is in the ADDRESSES section. Congress are in session. Based on the notification from the airplane Comments will be available in the AD records of the sessions of Congress, the manufacturer that an improper, docket shortly after receipt. effective date of the regulations is flammable sealant was used on the August 5, 2009. interior and exterior of the APU FOR FURTHER INFORMATION CONTACT: Sanford Proveaux, Aerospace Engineer, DATES: Effective Date: Under the enclosure (firewall). We are issuing this AD to prevent this flammable sealant Propulsion and Services Branch, ACE– authority of 12 U.S.C. 2252, the 118A, FAA, Atlanta Aircraft regulation amending 12 CFR parts 619, from igniting the exterior surfaces of the APU enclosure (firewall) under certain Certification Office, One Crown Center, 620, and 621 published on June 17, 1895 Phoenix Boulevard, Suite 450, 2009 (74 FR 28597), is effective August anomalous conditions such as an APU failure/APU compartment fire, which Atlanta, Georgia 30349; telephone (770) 5, 2009. 703–6049; fax (770) 703–6097. FOR FURTHER INFORMATION CONTACT: could result in propagation of an SUPPLEMENTARY INFORMATION: Thomas R. Risdal, Senior Policy uncontained fire to other critical areas Analyst, Office of Regulatory Policy, of the airplane. Discussion Farm Credit Administration, McLean, DATES: This AD is effective August 26, The manufacturer has notified us that Virginia 22102–5090, (703) 883–4498, 2009. an improper, flammable sealant (GMS TTY (703) 883–4434, or Robert Taylor, The Director of the Federal Register 4107) was used on interior angles Attorney, Office of General Counsel, approved the incorporation by reference formed by sheet intersections and Farm Credit Administration, McLean, of certain publications listed in the AD titanium sheet mating surfaces of the Virginia 22102–5090, (703) 883–4020, as of August 26, 2009. auxiliary power unit (APU) enclosure TTY (703) 883–4020. We must receive comments on this (firewall). This flammable sealant was (12 U.S.C. 2252(a)(9) and (10)) AD by October 13, 2009. also used to coat rivet heads on the Dated: August 5, 2009. interior and exterior surfaces of the APU ADDRESSES: You may send comments by Roland E. Smith, enclosure (firewall). In some places the any of the following methods: sealant was used by design, and in other Secretary, Farm Credit Administration Board. • Federal eRulemaking Portal: Go to places it was used in error. This sealant [FR Doc. E9–19122 Filed 8–10–09; 8:45 am] http://www.regulations.gov. Follow the could ignite the exterior surfaces of the BILLING CODE 6705–01–P instructions for submitting comments. APU enclosure (firewall) under certain • Fax: 202–493–2251. anomalous conditions such as an APU • failure/APU compartment fire. This DEPARTMENT OF TRANSPORTATION Mail: U.S. Department of Transportation, Docket Operations, M– condition, if not corrected, could result in propagation of an uncontained fire to Federal Aviation Administration 30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue, SE., other critical areas of the airplane. 14 CFR Part 39 Washington, DC 20590. Relevant Service Information • Hand Delivery: U.S. Department of [Docket No. FAA–2009–0683; Directorate We reviewed the Gulfstream alert Identifier 2009–NM–129–AD; Amendment Transportation, Docket Operations, M– customer bulletins listed in the 39–15991; AD 2009–17–01] 30, West Building Ground Floor, Room following table. The alert customer W12–140, 1200 New Jersey Avenue, SE., bulletins for Model G–IV series RIN 2120–AA64 Washington, DC 20590, between 9 a.m. airplanes and Model GV airplanes and 5 p.m., Monday through Friday, describe procedures for a one-time Airworthiness Directives; Gulfstream except Federal holidays. Model G–IV, GIV–X, and GV–SP Series inspection of the APU enclosure Airplanes and Model GV Airplanes For service information identified in (firewall) for overcoat application of the this AD, contact Gulfstream Aerospace flammable sealant on rivets or fillet AGENCY: Federal Aviation Corporation, Technical Publications seals on panel joints. For Model GIV–X Administration (FAA), DOT. Dept., P.O. Box 2206, Savannah, Georgia and GV–SP series airplanes, and ACTION: Final rule; request for 31402–2206; telephone 800–810–4853; airplanes with flammable sealant found comments. fax 912–965–3520; e-mail during the inspection, the alert [email protected]; Internet http:// customer bulletins describe revising the SUMMARY: We are adopting a new www.gulfstream.com/product_support/ applicable airplane flight manual (AFM) airworthiness directive (AD) for certain technical_pubs/pubs/index.htm. and reporting compliance to Gulfstream. VerDate Nov<24>2008 16:58 Aug 10, 2009 Jkt 217001 PO 00000 Frm 00005 Fmt 4700 Sfmt 4700 E:\FR\FM\11AUR1.SGM 11AUR1 jlentini on DSKJ8SOYB1PROD with RULES 40062 Federal Register / Vol. 74, No. 153 / Tuesday, August 11, 2009 / Rules and Regulations TABLE—APPLICABLE GULFSTREAM ALERT CUSTOMER BULLETINS For model— Use— Which includes— To the— G–IV (G300) series air- Gulfstream G300 Alert Customer Bulletin Gulfstream G–IV/G300/G400 AFM Supple- Gulfstream G300 planes. 40A, dated June 30, 2009, including Serv- ment G–IV–2009–02, Revision 1, dated AFM. ice Reply Card, Parts I and II. June 25, 2009. G–IV (G400) series air- Gulfstream G400 Alert Customer Bulletin Gulfstream G–IV/G300/G400 AFM Supple- Gulfstream G400 planes. 40A, dated June 30, 2009, including Serv- ment G–IV–2009–02, Revision 1, dated AFM. ice Reply Card, Parts I and II. June 25, 2009. G–IV series airplanes ... Gulfstream IV Alert Customer Bulletin 40A, Gulfstream G–IV/G300/G400 AFM Supple- Gulfstream G–IV AFM. dated June 30, 2009, including Service ment G–IV–2009–02, Revision 1, dated Reply Card, Parts I and II. June 25, 2009. GIV–X (G350) series Gulfstream G350 Alert Customer Bulletin 8A, Gulfstream G450/G350 AFM Supplement Gulfstream G350 airplanes. dated June 30, 2009, including Service G450–2009–03, Revision 1, dated June AFM. Reply Card. 25, 2009. GIV–X (G450) series Gulfstream G450 Alert Customer Bulletin 8A, Gulfstream G450/G350 AFM Supplement Gulfstream G450 airplanes. dated June 30, 2009, including Service G450–2009–03, Revision 1, dated June AFM. Reply Card. 25, 2009. GV airplanes ................. Gulfstream V Alert Customer Bulletin 29A, Gulfstream GV AFM Supplement GV–2009– Gulfstream GV AFM. dated June 30, 2009, including Service 03, Revision 1, dated June 25, 2009. Reply Card, Parts I and II. GV–SP (G500) series Gulfstream G500 Alert Customer Bulletin 9A, Gulfstream G550/G500 AFM Supplement Gulfstream G500 airplanes. dated June 30, 2009, including Service G550–2009–03, Revision 1, dated June AFM. Reply Card. 25, 2009. GV–SP (G550) series Gulfstream G550 Alert Customer Bulletin 9A, Gulfstream G550/G500 AFM Supplement Gulfstream G550 airplanes. dated June 30, 2009, including Service G550–2009–03, Revision 1, dated June AFM. Reply Card. 25, 2009. FAA’s Determination and Requirements Clarification of Statement in enclosure (firewall). Because of our of This AD Gulfstream Alert Customer Bulletins requirement to promote safe flight of civil aircraft and thus the critical need The Gulfstream alert customer We are issuing this AD because we to assure the structural integrity and bulletins specified in the table titled evaluated all the relevant information proper functioning of the APU and determined the unsafe condition ‘‘Table 1—Applicable alert customer enclosure (firewall), and the short described previously is likely to exist or bulletins including airplane flight compliance time involved with this develop in other products of these same manual (AFM) supplements, and action, this AD must be issued type designs. This AD requires AFMs’’ of this AD include a statement immediately. accomplishing the actions specified in in the Accomplishment Instructions to Because an unsafe condition exists the service information described inform operators to contact Gulfstream that requires the immediate adoption of previously, except as discussed under ‘‘if technical assistance is required’’ in this AD, we find that notice and ‘‘Differences Between the AD and the accomplishing the actions specified in opportunity for prior public comment Service Information.’’ the alert customer bulletins. We have hereon are impracticable and that good included Note 2 in this AD to clarify cause exists for making this amendment Differences Between the AD and the that any deviation from the instructions effective in less than 30 days. Service Information provided in the applicable alert customer bulletin must be approved as Comments Invited Although the Gulfstream alert an alternative method of compliance This AD is a final rule that involves customer bulletins specified in the table under the provisions of paragraph (l) of requirements affecting flight safety, and titled ‘‘Table 1—Applicable alert this AD.