Airworthiness directives › 99-10-05
AD 99-10-05 Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-145 Series Airplanes
Models named: EMB-145 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model EMB-145 series airplanes, serial numbers 145004 through 145075 inclusive; certificated in any category. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (b) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Required as indicated, unless accomplished previously. To prevent failure of certain flexible joints that attach to the engine bleed lines in the area of the rear fuselage, which could cause damage to the fuel lines leading to the auxiliary power unit, resulting in an increased risk of fire to occur in the rear baggage compartment during flight, accomplish the following: (a) Within 400 flight hours after the effective date of this AD, replace certain flexible joints (Gamah joints) and O-rings of the rear fuselage with improved flexible joints and new O-rings, and install new support assemblies to attach to the engine bleed line tubing in the area of the rear fuselage to improve the engine bleed line tubing alignment, in accordance with EMBRAER Service Bulletin 145-36-0007, Change 03, dated December 9, 1998. Note 2: Any replacement of certain flexible joints and new O- rings and installation of new support assemblies that have been accomplished prior to the effective date of this AD, in accordance with EMBRAER Service Bulletin 145-36-0007, dated September 1, 1998, Change 01, dated September 18, 1998, or Change 02, dated November 11, 1998, are considered acceptable for compliance with the applicable action specified in this AD. Alternative Methods of Compliance (b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Atlanta Aircraft Certification Office (ACO), FAA, Small Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Atlanta ACO. Note 3: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Atlanta ACO. Special Flight Permits (c) Special flight permits may be issued in accordance with Secs. 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. Incorporation by Reference (d) The actions shall be done in accordance with EMBRAER Service Bulletin 145-36-0007, Change 03, dated December 9, 1998. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Empresa Brasileira de Aeronautica S.A. (EMBRAER), P.O. Box 343-CEP 12.225, Sao Jose dos Campos--SP, Brazil. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, Small Airplane Directorate, Atlanta Aircraft Certification Office, One Crown Center, 1895 Phoenix Boulevard, suite 450, Atlanta, Georgia; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. [[Page 24033]] Note 4: The subject of this AD is addressed in Brazilian airworthiness directive 98-11-01, dated November 13, 1998. (e) This amendment becomes effective on May 20, 1999. Issued in Renton, Washington, on April 28, 1999. D. L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 99-11226 Filed 5-4-99; 8:45 am] BILLING CODE 4910-13-P
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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