AD 75-04-08

75-04-08 BOEING: Amendment 39-2089. Applies to Boeing Model 737 airplanes, listed under Group I in Boeing Service Bulletin 29-1004, Revision 1, dated April 2, 1969, or later FAA approved revisions. Compliance required within the next 1,000 hours time in service after the effective date of this AD, unless already accomplished. To prevent failure of the "B" hydraulic system electrical wiring and other systems wiring which use a common wire bundle, replace the "B" hydraulic system electrical pump spliced wires in accordance with Boeing Service Bulletin 29-1004, Revision 1, dated April 2, 1969, or later FAA approved revisions, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA Northwest Region. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received thesedocuments from the manufacturer may obtain copies upon request to Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124. The documents may be examined at FAA Northwest Region, 9010 East Marginal Way, Seattle, Washington 98108. This amendment becomes effective March 10, 1975.