Airworthiness directives › 2003-08-10
AD 2003-08-10 Airworthiness Directives; Aerospatiale Model ATR42-500 Series Airplanes, and Model ATR72-102, -202, -212, and -212A Series Airplanes
Models named: ATR42-500 series, ATR72-102, -202, -212, -212A series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model ATR42-500 series airplanes, and Model ATR72-102, -202, -212, and -212A series airplanes; certificated in any category; except those airplanes on which ATR Modification 5117 or 5322 (reference Avions de Transport Regional Service Bulletin ATR42-25-0134, dated January 24, 2002; or Avions de Transport Regional Service Bulletin ATR72-25-1074, dated January 24, 2002; as applicable) has been installed. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been otherwise 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 (c) 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 ensure that insulation blankets constructed of metallized polyethyleneteraphthalate (MPET) are removed from the fuselage, to prevent propagation of a fire that is the result of an otherwise harmless electrical arc and could lead to a much larger fire, accomplish the following: Insulation Blanket Replacement (a) Within 5 years after the effective date of this AD, replace insulation blankets located from sections 11 through 16 inclusive of the fuselage with new, improved insulation blankets constructed of Terul 18 TM , in accordance with the Accomplishment Instructions of Avions de Transport Regional Service Bulletin ATR42-25-0134 (for Model ATR42-500 series airplanes); or ATR72-25-1074 (for Model ATR72-102, -202, -212, -212A series airplanes); both dated January 24, 2002; as applicable. Note 2: Although paragraph (a) of this AD allows up to 5 years for the required replacement, the FAA encourages operators to review their airplanes to assess their individual needs for materials and plan accordingly. The FAA anticipates that operators will accomplish the requirements of this AD at the earliest practicable maintenance opportunity to lessen the burden toward the end of the compliance time. Part Installation (b) As of the effective date of this AD, no person shall install an insulation blanket constructed of MPET on any airplane. Alternative Methods of Compliance (c) 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, International Branch, ANM-116, Transport Airplane Directorate, FAA. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, International Branch, ANM-116. Note 3: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the International Branch, ANM-116. Special Flight Permits (d) Special flight permits may be issued in accordance with sections 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 (e) The replacement shall be done in accordance with Avions de Transport Regional Service Bulletin ATR42-25-0134, dated January 24, 2002; or Avions de Transport Regional Service Bulletin ATR72-25-1074, dated January 24, 2002; as applicable. 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 Aerospatiale, 316 Route de Bayonne, 31060 Toulouse, Cedex 03, France. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Note 4: The subject of this AD is addressed in French airworthiness directives 2001-635-061(B) and 2001-636-088(B), both dated December 26, 2001. Effective Date (f) This amendment becomes effective on May 27, 2003. Issued in Renton, Washington, on April 11, 2003. Ali Bahrami, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 03-9431 Filed 4-18-03; 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