Airworthiness directives › 2001-15-20
AD 2001-15-20 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
All Model F.28 Mark 1000, 2000, 3000, and 4000 series airplanes, 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 (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 detect and correct fatigue and stress corrosion in the U-shaped upper and lower legs of the engine support fittings, which could result in reduced structural integrity of the engine support structure, accomplish the following: Inspection (a) Within 12 months after the effective date of this AD: Except as required by paragraph (b) of this AD, perform a general visual inspection to detect the presence of filler plates of the engine support fittings, and accomplish all applicable corrective actions (including removing any filler plates, inspecting the support fitting to detect cracks and other discrepancies by using a nondestructive test method, and repairing discrepancies); in accordance with Fokker Service Bulletin F28/53-149, dated November 15, 1999. Note 2: 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 under normally available lighting conditions such as daylight, hangar lighting, flashlight, or drop-light, 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.” (b) If the service bulletin specifies to contact Fokker Services for appropriate action: Prior to further flight repair in accordance with a method approved by the Manager, International Branch, ANM-116, FAA Transport Airplane Directorate; or the Rijksluchtvaartdienst (RLD) (or its delegated agent). 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 §§ 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) Except as provided by paragraph (b) of this AD: The actions shall be done in accordance with Fokker Service Bulletin F28/53-149, dated November 15, 1999. This 2 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 4: The subject of this AD is addressed in Dutch airworthiness directive 1999-153, dated November 30, 1999. Effective Date (f) This amendment becomes effective on September 10, 2001. Issued in Renton, Washington, on July 26, 2001. Vi L. Lipski, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 01-19246 Filed 8-3-01; 8:45 am] BILLING CODE 4910-13-U
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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