Airworthiness directives › 2005-19-01
AD 2005-19-01 Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model ERJ 170 Airplanes
Models named: ERJ 170-100LR, -100 STD, -100SE, -100 SU. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all EMBRAER Model ERJ 170-100LR, -100 STD, -100SE, and -100 SU airplanes, certificated in any category.
Compliance
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Inspection and Replacement if Necessary (f) Within 100 flight hours or 14 days after the effective date of this AD, whichever is first: Inspect the left and right hydraulic pressure tubes at the outlet of the engine-driven hydraulic pumps to determine the part and serial numbers, in accordance with Part I of the Accomplishment Instructions of EMBRAER Service Bulletin 170-29-0001, dated August 9, 2004. (1) If neither hydraulic pressure tube has a serial number as identified in Part I of the service bulletin, then no further action is required by this paragraph. (2) If only one hydraulic pressure tube has a serial number as identified in Part I of the service bulletin: Within 600 flight hours after the inspection, replace the affected hydraulic pressure tube with a new hydraulic pressure tube, in accordance with Part III or Part IV, as applicable, of the service bulletin. (3) If both hydraulic pressure tubes have serial numbers as identified in Part I of the service bulletin: Before further flight, replace one of the affected hydraulic pressure tubes with a new hydraulic pressure tube, in accordance with Part III or Part IV, as applicable, of the service bulletin. Within 600 flight hours after the inspection, replace the other affected hydraulic pressure tube with a new hydraulic pressure tube, in accordance with Part III or Part IV, as applicable, of the service bulletin. Note 1: EMBRAER Service Bulletin 170-29-0001 refers to Macchi-Hurel Dubois (MHD) Service Bulletin CF34-8E MHD 71-00-011, dated August 3, 2004, as an additional source of service information for inspecting the hydraulic pressure tubes to determine the part and serial numbers; and replacing hydraulic pressure tubes having certain serial numbers with new hydraulic pressure tube as applicable. Macchi-Hurel Dubois (MHD) Service Bulletin CF34-8E MHD 71-00-011 is included in EMBRAER Service Bulletin 170-29-0001. No Reporting Requirement (g) Although the service bulletin referenced in this AD specifies to submit certain information to the manufacturer, this AD does not include that requirement. Parts Installation (h) As of the effective date of this AD, no person may install a hydraulic pressure pipe having any part and serial numbers identified in Part I of the Accomplishment Instructions of EMBRAER Service Bulletin 170-29-0001, dated August 9, 2004, on any airplane. Alternative Methods of Compliance (AMOCs) (i) 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. Material Incorporated by Reference (j) You must use EMBRAER Service Bulletin 170-29-0001, dated August 9, 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/cfr/ibr-locations.html. Issued in Renton, Washington, on September 6, 2005. Kalene C. Yanamura, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 05-18058 Filed 9-13-05; 8:45 am] BILLING CODE 4910-13-P
Unsafe condition
This AD was prompted by failure of a hydraulic system due to leakage of hydraulic fluid from a crack in the pipe coming from the pressure side of the engine-driven pump. We are issuing this AD to prevent cracking of the hydraulic pressure pipes, which could result in failure of hydraulic system 1 or 2 or both, and consequent reduced controllability of the airplane.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1