74-26-09 BENDIX ELECTRICAL COMPONENTS DIVISION: Amendment 39-2050. Applies to certain Bendix (Scintilla) S-20, S-200 and S-1200 Series Magnetos listed on Bendix Service Bulletin No. 556B.

a. Red nameplate magneto models listed in the Equipment Affected section excepting those with change designations as shown in Table No. 1 or later.

b. Blue nameplate (Bendix remanufactured) magneto models listed in the Equipment Affected section excepting those having serial number 349001 or higher.

c. Black nameplate magnetos bearing a part number listed in the Equipment Affected section.

Compliance required as indicated unless already accomplished. Within 200 hours in service or 90 days after the effective date of this AD, whichever occurs first, insure that the affected magnetos incorporate a solid steel drive shaft bushing by complying with all provisions, except the compliance paragraph, of Bendix Electrical Components Division Service Bulletin No. 556B or subsequent FAA approved revision or an equivalent procedure approved by the Chief, Engineering & Manufacturing Branch, FAA, Eastern 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 these documents from the manufacturer may obtain copies upon request to the Bendix Electrical Components Division, Sidney, New York 13838. These documents may also be examined at FAA Eastern Region, Federal Building, John F. Kennedy International Airport, Jamaica, New York 11430, 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 Eastern Region.

As permitted by FAR's 21.197 and 21.199, aircraft may be flown to a base where maintenance required by this Airworthiness Directive can be accomplished.

This amendment is effective December 24, 1974.