2008-22-07: Fuel tank system

2008-22-07 Saab AB, Saab Aerosystems: Amendment 39-15702. Docket No. FAA-2008-0848; Directorate Identifier 2008-NM-082-AD. Effective Date (a) This airworthiness directive (AD) becomes effective December 5, 2008. Affected ADs (b) None. Applicability (c) This AD applies to Saab AB, Saab Aerosystems Model SAAB 2000 airplanes, certificated in any category, all serial numbers. Subject (d) Air Transport Association (ATA) of America Code 28: Fuel. Reason (e) The mandatory continuing airworthiness information (MCAI) states: Subsequent to accidents involving Fuel Tank System explosions in flight * * * and on ground, the FAA has published Special Federal Aviation Regulation 88 (SFAR88) in June 2001. In their Letters referenced 04/00/02/07/01-L296 dated March 4th, 2002 and 04/00/02/ 07/03-L024, dated February 3rd, 2003, the Joint Aviation Authorities (JAA) recommended the application of a similar regulation to the National Aviation Authorities (NAA). Under current European Union regulation, all holders of type certificates for passenger transport aircraft with either a passenger capacity of 30 or more, or a payload capacity of 7,500 pounds (3,402 kg) or more, which have received their certification after January 1st, 1958, are required to conduct a design review against explosion risks. This Airworthiness Directive (AD), which is the result of one of these design reviews, requires a wiring modification of the FQIS (Fuel Quantity Indication System) Signal conditioner 28VDC (volts direct current) supply and replacement of the Fuel Pump harness inside the wing tanks (both LH and RH (left- and right-hand)). The unsafe condition is the potential of ignition sources inside fuel tanks, which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane. The corrective actions include functional and operational tests. Actions and Compliance (f) Unless already done, do the following actions. (1) Within 72 months after the effective date of this AD, replace the fuel pump harness inside each (both left- and right- hand) inboard wing fuel tank in accordance with the Accomplishment Instructions of Saab 2000 Service Bulletin 2000-28-013, dated October 11, 2007 (Modification 6250), including a follow-up functional test and operational test. (2) Within 72 months after the effective date of this AD, modify the wiring of the 28 VDC supply to the signal conditioner and the 132VP (feed-through connector) in accordance with the Accomplishment Instructions of Saab 2000 Service Bulletin 2000-28-014, Revision 02, dated January 23, 2008 (Modification 6251), including the follow-up operational test. (3) Actions done before the effective date of this AD in accordance with Saab 2000 Service Bulletin 2000-28-014, Revision 01, dated November 6, 2007, are acceptable for compliance with the requirements of paragraph (f)(2) of this AD. FAA AD DifferencesNote: This AD differs from the MCAI and/or service information as follows: No differences. Other FAA AD Provisions (g) The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Shahram Daneshmandi, Aerospace Engineer, International Branch, ANM- 116, Transport Airplane Directorate, FAA, 1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone (425) 227-1112; fax (425) 227-1149. Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. (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. (3) Reporting Requirements: For any reporting requirement in this AD, under the provisions of the Paperwork Reduction Act, the Office of Management and Budget (OMB) has approved the information collection requirements and has assigned OMB Control Number 2120- 0056. Related Information (h) Refer to MCAI European Aviation Safety Agency Airworthiness Directive 2008-0031, dated February 15, 2008; Saab 2000 Service Bulletin 2000-28-013, dated October 11, 2007; and Saab 2000 Service Bulletin 2000-28-014, Revision 02, dated January 23, 2008; for related information. Material Incorporated by Reference (i) You must use Saab 2000 Service Bulletin 2000-28-013, dated October 11, 2007; and Saab 2000 Service Bulletin 2000-28-014, Revision 02, dated January 23, 2008; as applicable; to do the actions required by this AD, unless the AD specifies otherwise. (1) The Director of the Federal Register approved the incorporation by reference of this service information under 5 U.S.C. 552(a) and 1 CFR part 51. (2) For service information identified in this AD, contact Saab Aircraft AB, SAAB Aerosystems, SE-581.88, Link[ouml]ping, Sweden; telephone 011 46 13 18 5591; fax 011 46 13 18 4874; e-mail http:// [email protected]; Internet http:// www.saabgroup.com. (3) You may review copies at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or 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/code_of_ federal_regulations/ibr_locations.html.