AD 2004-11-06 Airworthiness Directives; Agusta S.p.A. Model A109E Helicopters

Models named: A109E. Read the applicability below — it usually turns on serial or part numbers too.

Model A109E helicopters, certificated in any category.

Required as indicated, unless accomplished previously. To prevent the incompatibility of certain relays with the windshield wiper electrical system, overheating of the resistor due to system overload, and an electrical fire, accomplish the following: (a) For helicopters, serial number (S/N) 11502 through 11504, and 11122 through 11130, except 11123, 11127, and 11129: (1) Within 5 hours time-in-service, do the following: (i) Disable the windshield wipers by following the Compliance Instructions, Part I, paragraphs 2.1 through 2.5, of Agusta Alert Bollettino Tecnico No. 109EP-27, Revision A, dated February 7, 2003 (ABT). (ii) Install a placard stating that the windshield wipers are inoperative by following the Compliance Instructions, Part I, paragraph 2.6, of the ABT. (2) Within 6 months, modify the electrical system of the windshield wipers using the Compliance Instructions, Part II, paragraphs 1. through 15., of the ABT, and remove the placard that was installed as required by paragraph (a)(1)(ii) of this AD. (b) For helicopters, S/Ns 11151, 11501, and 11001 through 11133, except 11122, 11124 through 11128, and 11130, with timed relay, part number (P/N) T412-DJ1001-C installed, on or before June 6, 2005, or when you replace a timed relay, P/N T412-DJ1001-C, with either relay, P/N TDH-8070-1001P or P/N T412-2006, whichever occurs first: (1) If windshield wiper kit, P/N 109-0811-44-105 or -106 is installed, modify the windshield wiper electrical system and replace the timed relay, P/N T412-DJ1001-C, with a timed relay, P/N TDH-8070-1001P or P/N T412-2006, by following the Compliance Instructions, Part III, paragraphs 1. through 1.16, of the ABT. (2) If windshield wiper kit, P/N 109-0811-44-101 or -102 is installed, modify the windshield wiper electrical system and replace the timed relay, P/N T412-DJ1001-C, with a timed relay, P/N TDH-8070-1001P or P/N T412-2006, by following the Compliance Instructions, Part III, paragraphs 2. through 2.19, of the ABT. (c) To request a different method of compliance or a different compliance time for this AD, follow the procedures in 14 CFR 39.19. Contact the Safety Management Group, FAA, for information about previously approved alternative methods of compliance. (d) Modifying the windshield wiper electrical system shall be done following the Agusta Alert Bollettino Tecnico No. 109EP-27, Revision A, dated February 7, 2003. The Director of the Federal Register approved this incorporation by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Agusta, 21017 Cascina Costa di Samarate (VA) Italy, Via Giovanni Agusta 520, telephone 39 (0331) 229111, fax 39 (0331) 229605-222595. Copies may be inspected at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas; 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. (e) This amendment becomes effective on July 9, 2004. Note: The subject of this AD is addressed in Ente Nazionale per l'Aviazione Civile (Italy), AD No. 2003-032, dated February 10, 2003. Issued in Fort Worth, Texas, on May 21, 2004. David A. Downey, Manager, Rotorcraft Directorate, Aircraft Certification Service. [FR Doc. 04-12440 Filed 6-3-04; 8:45 am] BILLING CODE 4910-13-P