Airworthiness directives › 2004-03-20
AD 2004-03-20 Airworthiness Directives; Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 Series Airplanes
Models named: F.28 Mark 1000, 2000, 3000, 4000 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model F.28 Mark 1000, 2000, 3000, and 4000 series airplanes; as listed in the effectivity of Fokker Service Bulletin F28/52-118, dated June 25, 2001; certificated in any category.
Compliance
Required as indicated, unless accomplished previously. To prevent failure of the release mechanism on the service/emergency door, which could result in the inability to open the service/emergency door during an emergency evacuation, accomplish the following: Inspection, Lubrication, Testing, and Corrective Actions (a) Within 12 months after the effective date of this AD: Do a general visual inspection (including measurement of the torque for the actuating mechanism torsion spring), lubricate, and test to verify proper operation of the emergency release mechanism of the service/emergency door by accomplishing all of the actions specified in paragraphs A. through R. of the Accomplishment Instructions of Fokker Service Bulletin F28/52-118, dated June 25, 2001. Note 1: For the purposes of this AD, a general visual inspection is defined as: “A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made from within touching distance unless otherwise specified. A mirror may be necessary to enhance visual access to all exposed surfaces in the inspection area. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight, or droplight and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked.” (1) If no discrepant or corroded part is found during the inspection required by paragraph (a) of this AD: Repeat the actions specified in paragraph (a) of this AD thereafter at intervals not to exceed 1,500 flight hours or 18 months, whichever occurs first. (2) If any discrepancy (including a torque value that exceeds the limits specified in the applicable service bulletin, an improperly installed part, or a damaged part) is found, or if a corroded part is found, during any inspection required by paragraph (a) of this AD: Before further flight, do the applicable corrective action in accordance with the Accomplishment Instructions of the service bulletin. Repeat the actions specified in paragraph (a) of this AD thereafter at intervals not to exceed 1,500 flight hours or 18 months, whichever occurs first. Optional Terminating Action and Concurrent Service Bulletin (b) Replacement of the Bowden cable-operated service/emergency door with a push-pull rod-operated service/emergency door, in accordance with Fokker Service Bulletin F28/52-89, dated October 31, 1983, constitutes terminating action only for the repetitive inspections and lubrication required by paragraph (a) of this AD. (c) For airplanes with serial numbers 11003 to 11051 inclusive, 11991, and 11992: Prior to or concurrent with paragraph (b) of this AD, accomplish the modification specified in part VII of Fokker Service Bulletin F28/52-55, Revision 1, dated February 28, 1977. Alternative Methods of Compliance (d) 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 (e) The actions shall be done in accordance with Fokker Service Bulletin F28/52-118, dated June 25, 2001. 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 Office of the Federal Register, 800 North Capitol Street, NW., Suite 700, Washington, DC. Note 2: The subject of this AD is addressed in Dutch airworthiness directive 2001-094, dated July 31, 2001. Effective Date (f) This amendment becomes effective on March 17, 2004. Issued in Renton, Washington, on January 30, 2004. Kalene C. Yanamura, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-2573 Filed 2-10-04; 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