AD 2004-09-23 Airworthiness Directives; Fokker Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 Series Airplanes

Models named: F27 Mark 100, 200, 300, 400, 500, 600, 700 series. Read the applicability below — it usually turns on serial or part numbers too.

All Model F27 Mark 100, 200, 300, 400, 500, 600, and 700 series airplanes; certificated in any category.

Required as indicated, unless accomplished previously. To prevent the loss of both direct current (DC) generator systems and loss of several other airplane systems, which could lead to the pilot's inability to maintain controlled flight, accomplish the following: Initial and Repetitive Inspections (a) Within 60 days after the effective date of this AD, do a detailed inspection of the control panel of the DC generator for discrepancies, per the Accomplishment Instructions of Fokker Service Bulletin F27/24-79, dated April 28, 1999. Repeat the inspection thereafter at intervals not to exceed 4,000 flight hours. Note 1: For the purposes of this AD, a detailed inspection is defined as: “An intensive visual examination of a specific structural area, system, installation, or assembly to detect damage, failure, or irregularity. Available lighting is normally supplemented with a direct source of good lighting at intensity deemed appropriate by the inspector. Inspection aids such as mirror, magnifying lenses, etc., may be used. Surface cleaning and elaborate access procedures may be required.” (b) If any discrepancy is found during any inspection required by paragraph (a) of this AD, prior to further flight, replace any discrepant part with a new or serviceable part having the same part number, per the Accomplishment Instructions of Fokker Service Bulletin F27/24-79, dated April 28, 1999. Note 2: The service bulletin references Bendix (Allied Signal) publication R766-28, Technical Manual, Maintenance Instructions with Illustrated Parts Catalog for Generator Control Panel type no. 1539-11-B and 1539-12-B, paragraphs 2-12 through 2-15, as an additional source of service information for accomplishing the inspections and any parts replacement required by paragraphs (a) and (b) of this AD. Alternative Methods of Compliance (c) In accordance with 14 CFR 39.19, the Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA, is authorized to approve alternative methods of compliance for this AD. Incorporation by Reference (d) The actions shall be done in accordance with Fokker Service Bulletin F27/24-79, dated April 28, 1999. 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 Fokker Services B.V., P.O. Box 231, 2150 AE Nieuw-Vennep, the Netherlands. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; 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. Note 3: The subject of this AD is addressed in Dutch airworthiness directive 1999-093, dated June 30, 1999. Effective Date (e) This amendment becomes effective on June 9, 2004. Issued in Renton, Washington, on April 22, 2004. Kalene C. Yanamura, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-10138 Filed 5-4-04; 8:45 am] BILLING CODE 4910-13-P