75-24-13 MCCAULEY PROPELLERS: Amendment 39-2435. Applies to the two- bladed constant speed and full feathering Model D2AF34C52/ 80GF-0 and D2AF34C52A/80GF- 0 series propellers having hub serial numbers 63000 through 659999, installed on but not limited to Cessna 310I type aircraft.
Compliance required as indicated, unless already accomplished.
To prevent hub failures, accomplish the following:
A. Propellers with 1500 or more total hours in service as of the effective date of this Airworthiness Directive must be inspected and modified in accordance with Paragraph (D) within the next 100 hours in service after the effective date of this AD.
B. Propellers with less than 1500 hours in service as of the effective date of this Airworthiness Directive must be inspected and modified in accordance with Paragraph (D) prior to the accumulation of 1600 hours in service.
C. Propellers whose total hours in service are unknown will be assumed to have 1500 hours minimum and thus fall within the requirements for inspection and modification in accordance with Paragraph (A).
D. Remove propeller from the aircraft, disassemble, inspect components and replace the hub in accordance with McCauley Service Manual No. 710930 and Bulletin No. 111 dated August 11, 1975, or later Federal Aviation Administration approved revisions, or an equivalent procedure approved by the Chief, Engineering and Manufacturing Branch, Great Lakes Region.
The manufacturer's specifications and procedures identified in this Directive are incorporated herein and made part hereof pursuant to 5 U.S.C. 522(a)(1). All persons affected by this Directive who have not already received these documents from the manufacturer, may obtain copies upon request to McCauley Accessory Division, Cessna Aircraft Corporation, Box 7, Roosevelt Station, Dayton, Ohio 45417. These documents may also be examined at the Great Lakes Regional Office, 2300 East Devon Avenue, Des Plaines, Illinois 60018, and at FAA Headquarters, 800 Independence Avenue S.W., Washington, D.C. A historical file on this Airworthiness Directive which includes incorporated material in full is maintained by the FAA at its headquarters in Washington, D.C. and at the Great Lakes Region.
This amendment becomes effective November 26, 1975.