75-12-07 McCAULEY PROPELLER GOVERNORS: Amendment 39-2226. Applies to the following McCauley Governors installed on but not limited to Cessna 310P and 310Q aircraft models:
Governor Models and Serial Numbers
DCF290D1A/T2
721466
730108
721481
730113
721482
730115 thru 730121
721484
730208 thru 730219
721486
730223 thru 730227
721489 thru 721494
730268 thru 730272
721572
730274 thru 730279
721576
730423 thru 730430
721577
730432 thru 730437
721579
730439 thru 730458
721581
730460 thru 730466
730106
730482 thru 730490
DCFS290D1A/T2
730041 thru 730050
730331
730052 thru 730054
730390 thru 730394
730159 thru 730165
730635 thru 730643
730244 thru 730252
DCFU290D1A/T2
730150 thru 730152
730361 thru 730378
730155
730402
730236 thru 730243
730654 thru 730656
730350 thru 730359
730671 thru 730681
DCFUS290D1A/T2
730058 thru 730061
730304 thru 730311
730122 thru 730129
730505 thru 730508
730131
Compliance required as indicated, unless already accomplished.
To prevent the possibility of loss of propeller pitch control including the inability to feather, and propeller-engine overspeeding inflight, accomplish the following:
Within the next 100 hours' time in service after the effective date of this Airworthiness Directive, remove and replace the affected propeller governors in accordance with McCauley Service Bulletin No. 108 dated May 12, 1975, or later Federal Aviation Administration approved revisions, or an equivalent procedure approved by the Chief, Engineering and Manufacturing Branch, Great Lakes Region.
(Cessna Multi-Engine Service Letter No. ME 75-12, dated May 16, 1975 also pertains to this subject.)
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 Company, Box 7, Roosevelt Station, Dayton, Ohio 45417, and the Cessna Aircraft Company, Wallace Division, Box 1977, Wichita, Kansas 67201. 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 of this AD 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 June 6, 1975.