2009-06-11: Wing lower skin stringers

2009-06-11 Empresa Brasileira De Aeronautica S.A. (EMBRAER): Amendment 39-15847. Docket No. FAA-2008-0668; Directorate Identifier 2008-NM-088-AD. Effective Date (a) This airworthiness directive (AD) becomes effective April 28, 2009. Affected ADs (b) None. Applicability (c) This AD applies to EMBRAER Model ERJ 190-100 STD, -100 LR, - 100 IGW, -100ECJ, -200 STD, -200 LR, and -200 IGW airplanes, certificated in any category, serial numbers 19000004, 19000006 through 19000028 inclusive, and 19000030 through 19000039 inclusive. Subject (d) Air Transport Association (ATA) of America Code 57: Wings. Reason (e) The mandatory continuing airworthiness information (MCAI) states: During aircraft structure fatigue tests, cracks were found in the wing lower skin stringers between ribs 7 and 10 on both wings. In order to prevent fatigue cracks in the wing lower skin stringers, which could result in fuel leakage and reduced structural integrity of thewing, the referred stringers must be reworked. The corrective actions include spot-facing the lower wing stringers between ribs 7 and 10, doing a dye-penetrant or eddy current inspection of the reworked stringers, shot- or flap-peening if no cracking is found, contacting the Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA; or the Agencia Nacional de Aviaeao Civil (ANAC) (or its delegated agent) if any crack is found, and repairing. Actions and Compliance (f) Unless already done: Prior to the accumulation of 5,000 total flight cycles, or within 500 flight cycles after the effective date of this AD, whichever occurs later, do the following actions. (1) Spot-face the lower wing stringers between ribs 7 and 10 on both wings by changing their run out in accordance with the Accomplishment Instructions of EMBRAER Service Bulletin 190-57-0005, Revision 01, dated October 27, 2006; or Revision 02, dated May 27, 2008. (2) Do a dye-penetrant inspectionfor cracking of the reworked stringers in accordance with the Accomplishment Instructions of EMBRAER Service Bulletin 190-57-0005, Revision 01, dated October 27, 2006; or an eddy current inspection for cracking of the reworked stringers in accordance with the Accomplishment Instructions of EMBRAER Service Bulletin 190-57-0005, Revision 02, dated May 27, 2008. (i) If no cracking is detected: Before further flight, flap-peen or shot-peen the stringer reworked area following the parameters indicated in the Accomplishment Instructions of EMBRAER Service Bulletin 190-57-0005, Revision 01, dated October 27, 2006; or Revision 02, dated May 27, 2008. (ii) If any cracking is detected: Before further flight, repair the airplane using a method approved by either the Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA; or the ANAC (or its delegated agent). (3) Actions done before the effective date of this AD in accordance with EMBRAER Service Bulletin 190-57-0005, dated October 10, 2006; are acceptable for compliance with the corresponding requirements of paragraph (f) of this AD. FAA AD Differences Note 1: 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: Kenny Kaulia, Aerospace Engineer, ANM-116, Transport Airplane Directorate, FAA, 1601 Lind Avenue, SW., Renton, Washington 98057- 3356; telephone (425) 227-2848; fax (425) 227-1149. Before using any approved AMOC on any airplane to which the AMOC applies, notify your principal maintenance inspector (PMI) or principal avionics inspector (PAI), as appropriate, or lacking a principal inspector, your local FlightStandards District Office. (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 Brazilian Airworthiness Directive 2008-01-02, effective February 25, 2008; EMBRAER Service Bulletin 190-57-0005, Revision 01, dated October 27, 2006; and EMBRAER Service Bulletin 190-57-0005, Revision 02, dated May 27, 2008; for related information. Material Incorporated by Reference (i) You must use EMBRAER Service Bulletin 190-57-0005, Revision 01, dated October 27, 2006; or EMBRAER Service Bulletin 190-57-0005, Revision 02, dated May 27, 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 Empresa Brasileira de Aeronautica S.A. (EMBRAER), Technical Publications Section (PC 060), Av. Brigadeiro Faria Lima, 2170-- Putim--12227-901 S[atilde]o Jose dos Campos--SP--BRASIL; telephone: +55 12 3927-5852 or +55 12 3309-0732; fax: +55 12 3927-7546; e-mail: [email protected]; Internet: http://www.flyembraer.com. (3) You may review copies of the service information at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington. For information on the availability of thismaterial at the FAA, call 425-227-1221 or 425-227-1152. (4) You may also review copies of the service information that is incorporated by reference 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.