AD 75-06-10

75-06-10 BELL: Amendment 39-2128. Applies to Bell Models 206A and 206B helicopters, serial numbers 1 through 1163, certificated in all categories.

Compliance required within the next 1200 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent possible failure of the cabin roof straps, P/N 206-031-200-23 and -24, accomplish the following:

a. Remove the cabin roof straps, P/N 206-031-200-23 and -24, in accordance with items 1 through 4 of Bell Helicopter Company Service Bulletin No. 206-01-74-2, dated November 12, 1974, or later approved revision.

b. Install the cabin roof straps, P/N 206-032-200-37 and -38, in accordance with items 5 through 9 of Bell Helicopter Company Service Bulletin No. 206-01-74-2, dated November 12, 1974, or later approved revision.

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 these documents from the manufacturer, may obtain copies upon request to the Service Manager, Bell Helicopter Company, P. O. Box 482, Fort Worth, Texas 76101. These documents may also be examined at the office of the Regional Counsel, Southwest Region, FAA, 4400 Blue Mound Road, Fort Worth, Texas, and at FAA Headquarters, 800 Independence Avenue S.W., Washington, D.C. A historical file on this AD, which includes the incorporated material in full, is maintained by the FAA at its headquarters in Washington, D.C., and at the Southwest Regional Office in Fort Worth, Texas.

This supersedes Amendment 39-1437 (37 F.R. 8438), AD 72-09-02. This amendment becomes effective April 15, 1975.