AD 2006-11-10 Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-120, -120ER, -120FC, -120QC, and -120RT Airplanes

Models named: EMB-120, -120ER, -120FC, -120QC, -120RT. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to EMBRAER Model EMB-120, -120ER, -120FC, -120QC, and -120RT airplanes, certificated in any category, as identified in EMBRAER Service Bulletin 120-30-0034, Revision 01, dated September 22, 2004.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Valve Replacement (f) Within 5,000 flight hours after the effective date of this AD, replace the de-icing system ejector flow control valves, part number (P/N) 3D2376-06, with new, improved flow control valves having hermetically sealed switches, P/N 3D2376-07; and rewire the applicable connectors; in accordance with the Accomplishment Instructions of EMBRAER Service Bulletin 120-30-0034, Revision 01, dated September 22, 2004. Actions Accomplished According to Previous Issue of Service Bulletin (g) Actions accomplished before the effective date of this AD in accordance with EMBRAER Service Bulletin 120-30-0034, dated October 30, 2003, are considered acceptable for compliance with the corresponding actions of this AD. Alternative Methods of Compliance (AMOCs) (h)(1) The Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA, has the authority to approve AMOCs for this AD, if requested in accordance with the procedures found in 14 CFR 39.19. (2) Before using any AMOC approved in accordance with § 39.19 on any airplane to which the AMOC applies, notify the appropriate principal inspector in the FAA Flight Standards Certificate Holding District Office. Related Information (i) Brazilian airworthiness directive 2005-12-02, effective January 19, 2006, also addresses the subject of this AD. Material Incorporated by Reference (j) You must use EMBRAER Service Bulletin 120-30-0034, Revision 01, dated September 22, 2004, to perform the actions that are required by this AD, unless the AD specifies otherwise. The Director of the Federal Register approved the incorporation by reference of this document in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Contact Empresa Brasileira de Aeronautica S.A. (EMBRAER), P.O. Box 343—CEP 12.225, Sao Jose dos Campos—SP, Brazil, for a copy of this service information. You may review copies at the Docket Management Facility, U.S. Department of Transportation, 400 Seventh Street SW., Room PL-401, Nassif Building, Washington, DC; on the Internet at http://dms.dot.gov ; or at the National Archives and Records Administration (NARA). For information on the availability of this material at the NARA, call (202) 741-6030, or go to http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html . Issued in Renton, Washington, on May 16, 2006. Kevin M. Mullin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 06-4843 Filed 5-25-06; 8:45 am] BILLING CODE 4910-13-P

This AD results from a fuel system review conducted by the manufacturer. We are issuing this AD to prevent a potential source of ignition near a fuel tank, which, in combination with flammable fuel vapors, could result in a fuel tank explosion and consequent loss of the airplane.