AD 92-27-16

92-27-16 SABRELINER: Amendment 39-8451. Docket No. 92-NM-229-AD. Applicability: Model NA265, NA265-20, -30, -40, -50, -60, -65, -70, and -80 series airplanes equipped with or converted to electrical driven hydraulic pump (single or double); as listed in Sabreliner Service Bulletin 92-5, dated December 11, 1992; certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To prevent electrical arcing, which could lead to fire inside the aft section of the fuselage, accomplish the following:

(a) Within 30 days or 10 flight hours after the effective date of this AD, whichever occurs first, install redundant hydraulic pump/motor ground circuitry in accordance with Sabreliner Service Bulletin 92-5, dated December 11, 1992.

(b) 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, Wichita Aircraft Certification Office (ACO),FAA, Small 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, Wichita ACO.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Wichita ACO.

(c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(d) The installation shall be done in accordance with Sabreliner Service Bulletin 92-5, dated December 11, 1992. 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 Sabreliner Corporation, 18118 Chesterfield Airport Road, Chesterfield, Missouri 63005-1121. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue,SW., Renton, Washington; or at the FAA, Small Airplane Directorate, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita Kansas; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

(e) This amendment becomes effective on January 13, 1993.