Airworthiness directives › 2000-04-19
AD 2000-04-19 Airworthiness Directives; Dassault Model Mystere-Falcon 50 Series Airplanes
Models named: Mystere-Falcon 50 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model Mystere-Falcon 50 series airplanes, serial numbers 251, 253, and subsequent; equipped with Allied-Signal TFE731-40 engines; certificated in any category; except airplanes that have been modified in accordance with Dassault Service Bulletin F50-276, dated June 24, 1998, or airplanes on which Dassault Modification M2193 was installed in production. 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 (d) 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 prevent in-flight shutdown of the engine(s) due to the flightcrew using erroneous N1 speed values displayed on the Engine Indication Electronic Display (EIED), accomplish the following: Restatement of the Requirements of AD 97-21-16 AFM Revision (a) Within 1 day after November 18, 1997 (the effective date of AD 97-21-16, amendment 39-10202), revise the Limitations Section of the FAA-approved Airplane Flight Manual (AFM) to add the following. This may be accomplished by inserting a copy of this AD in the AFM. “Operation in Icing Conditions: The N1 speed of the operating engines must not be less than the minimum values specified in Normal Section 4, Sub-section 140, Page 2, of the AFM.” New Requirements for This AD Modification (b) Within 6 months after the effective date of this AD, adjust the thrust reverser handle stop, install new “push-light” wiring on the instrument panel, and modify the Digital Electronic Engine Control (DEEC) software; in accordance with Dassault Service Bulletin F50-276, dated June 24, 1998. Accomplishment of such actions constitutes terminating action for the AFM revision required by paragraph (a) of this AD. Following accomplishment of the terminating action, the AFM revision required by paragraph (a) of this AD may be removed from the AFM. Note 2: Dassault Service Bulletin F50-276 refers to Allied Signal Service Bulletin TFE731-76-5107, dated December 24, 1997, as an additional source of service information for accomplishment of the modification. Spares (c) As of the effective date of this AD, no person shall install DEEC software, part number 2118882-4002, on any airplane. Alternative Methods of Compliance (d) 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, FAA, Transport Airplane Directorate. 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 (e) 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 (f) The actions required by paragraph (b) of this AD shall be done in accordance with Dassault Service Bulletin F50-276, dated June 24, 1998. 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 Dassault Falcon Jet, P.O. Box 2000, South Hackensack, New Jersey 07606. 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 directive 98-228-021(B), dated June 17, 1998. (g) This amendment becomes effective on April 4, 2000. Issued in Renton, Washington, on February 22, 2000. Donald L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 00-4566 Filed 2-28-00; 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