2000-07-28: High Pressure Cock (HPC) Levers

2000-07-28 FOKKER SERVICES B.V.: Amendment 39-11684. Docket 2000-NM-95-AD. Supersedes AD 99-18-22, Amendment 39-11288. Applicability: Model F27 series airplanes, certificated in any category, as listed in Fokker F27 Service Bulletin F27/61-40, Revision 1, dated August 1, 1997. Compliance: Required as indicated, unless accomplished previously. To ensure that flightcrews follow correct procedures that will maintain the high pressure cock (HPC) levers in a permanent lockout position to prevent consequent burnout of the engines during flight, accomplish the following: AFM Revision: Normal and Abnormal Procedures Sections (a) Within 6 months after October 8, 1999 (the effective date of AD 99-18-22, amendment 39-11288): Revise the Normal and Abnormal Procedures Sections, as applicable, of the FAA-approved Airplane Flight Manual (AFM) by incorporating Fokker F27 Service Bulletin F27/61-40, Revision 1, dated August 1, 1997; including Fokker F27 Manual Change Notification (MCNO) F27-001, dated June 30, 1997. [MCNO F27-001 specifies procedures for placing the HPC levers in a permanent lockout position (with the cruise lock withdrawal system disabled) during operation of the airplane.] This action may be accomplished by inserting a copy of MCNO F27-001 into the applicable sections of the AFM. AFM Revision: Limitations and Emergency Procedures Sections (b) Within 3 days after the effective date of this AD, revise the Limitations and Emergency Procedures Sections of the AFM by incorporating Fokker Manual Change Notification MCNO F27-008, dated March 1, 2000. This action may be accomplished by inserting a copy of MCNO F27-008 into the applicable sections of the AFM. 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, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Operations Inspector, who may add comments and then send it to the Manager, International Branch, ANM-116. NOTE 1: 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 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 (e) The actions shall be done in accordance with Fokker F27 Service Bulletin F27/61-40, Revision 1, dated August 1, 1997, including Fokker F27 Manual Change Notification (MCNO) F27-001, dated June 30, 1997; and Fokker Manual Change Notification MCNO F27-008, dated March 1, 2000. (1) The incorporation by reference of Fokker Manual Change Notification MCNO F27-008, dated March 1, 2000, is approved by the Director of the Federal Register, in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. (2) The incorporation by reference of Fokker F27 Service Bulletin F27/61-40, Revision 1, dated August 1, 1997, including Fokker F27 Manual Change Notification (MCNO) F27-001, dated June 30, 1997, was approved previously by the Director of the Federal Register as of October 8, 1999 (64 FR 48280, September 3, 1999). (3) 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. (f) This amendment becomes effective on April 18, 2000.