Airworthiness directives › 99-23-25
AD 99-23-25 Airworthiness Directives; Fokker Model F27 Mark 050 Series Airplanes
Models named: F27 Mark 050 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model F27 Mark 050 series airplanes, serial numbers 20103 through 20231 inclusive, certificated in any category, and equipped with any control panel having a part number (P/N) listed below: Electrical power control panel P/N: F7941-011-407 F7941-011-413 F7941-011-425 F7941-011-435 W7981-011-401 W7981-011-403 Fuel control panel P/N: F7941-005-403 F7941-005-407 F7941-005-409 F7941-005-411 F7941-005-413 F7941-005-415 W7981-005-401 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 (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. [[Page 63178]] To prevent internal short circuits in the fuel control and electrical power control panels, which could result in burning of the panels and consequent smoke in the flight deck area, accomplish the following: Replacement (a) Within one year after the effective date of this AD: Replace the lighting plate of the fuel control panel with a new, improved plate, in accordance with Fokker Component Service Bulletin F7941- 005-28-03, dated September 15, 1993. (b) Within one year after the effective date of this AD: Replace the lighting plate of the electrical power control panel with a new, improved plate, in accordance with Fokker Component Service Bulletin F7941-011-24-11, dated September 15, 1993. Spare Parts (c) As of the effective date of this AD, no person shall install a lighting plate, P/N 95-1847-1, 95-1838-1, or 95-1838-3, 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 2: 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 shall be done in accordance with Fokker Component Service Bulletin F7941-005-28-03, dated September 15, 1993, and Fokker Component Service Bulletin F7941-011-24-11, dated September 15, 1993. 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 3: The subject of this AD is addressed in Dutch airworthiness directive 93-141 (A), dated November 1, 1993. (g) This amendment becomes effective on December 6, 1999. Issued in Renton, Washington, on November 5, 1999. D.L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 99-29738 Filed 11-18-99; 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