77-26-03 MCCAULEY PROPELLERS: Amendment 39-1301 as amended by Amendment 39-3232. Applies to the following three bladed constant speed Model D3A34C401 and D3A34C402 propellers installed on but not limited to the Cessna Model TU206G, T207A, and T210M aircraft:
Affected Propeller Serial Numbers
765815
765820
765821
765822
765823
765824
765828
766622
766624
766625
766626
766627
766638
766639
766640
766641
766642
766643
766644
767451
767452
767453
767454
767455
767456
767457
767458
767471
767472
767473
767474
767475
767476
767477
767479
767480
767481
767661
767662
767663
767664
767665
767666
767667
767668
767678
767679
767680
767682
767683
767684
767776
767777
767778
767799
767800
767801
767802
767803
767804
767805
767806
767822
767823
767824
767825
767826
767827
767828
767829
767830
767831
767832
767833
767834
767835
767837
767838
767839
767879
767880
768190
768191
768192
768193768194
768195
768196
768197
768199
768202
768254
768335
768336
768337
768338
768339
768340
768341
768342
768343
768344
768345
768346
768347
768348
768349
768350
768351
768352
768353
768354
768560
768888
768889
768890
768891
768892
768893
768970
768971
769002
769007
769008
769009
769092
769093
769094
769209
769210
769211
769212
769214
769215
769216
769217
769229
769230
769264
769265
769266
769267
769269
769288
769289
769291
769292
769449
769450
769451
769452
769453
769454
769455
769456
769457
769459
769460
769548
769549
769550
769551
769552
769553
769555
769556
769557
770212
770213
770214
770216
770217
770218
770219
770220
770221
770222
770223
770224
770225
770226
770390
770391
770392
770394
770489
770490
770491
770492
770583
770584
770585
770608
770609
770610
770611
770612
770613
770614
770615
770623
770624
770625
770626
770627
770628
770629
770630
770631
770632
770633
770634
770635
770636
770637
770638
770639
770640
770641
770642
770721
770722
770723
770724
770725
770864
770865
770866
770867
770868
770869
770870
770871
770872
770873
770874
770875
770876
770877
770878
770879
770880
770881
770882
770883
770884
770885
771659
771660
771661
771662
771663
771664
771665
771676
771677
771679
771680
771681
771682
771683
771684
771685
771813
771844
771845
771846
771987
771988
772004
772005
772006
772007
772008
772010
772011
772012
772013
772014
772015
772017
772041
772042
772204
772205
772206
772207
772208
772209
772210
772250
772251
772252
772253
772254
772255
772256
772257
772506
772507
772509
772510
772518
772519
772520
772521
772683
772694
772696
772698
772699
772700
772701
772702
772703
772704
772705
772731
772732
772733
772735
772865
772866
772940
772941
772942
772943
772945
772946
772974772975
772977
772981
772983
772984
773011
773093
773094
773095
773096
773097
773098
773101
773192
773193
773195
773196
773197
773198
773199
773200
773201
773202
773205
773207
773342
773343
773533
773709
773775
773780
773783
773785
773787
773918
773924
NOTE: Serial numbers are stamped on the side of the propeller hub. These propellers are equipped with Model 90DFA-() blades (usually - 10 cutoff).
Compliance required before further flight, except that the airplane may be flown in accordance with FAR 21.197 to a Federal Aviation Administration Certificated Propeller Repair Station.
To prevent possible blade pitch control failures, accomplish the following:
(a) Replace blade actuating pin screws, P/N A-1635-104 (cadmium plated), with new screws, P/N A-1635-108 (black oxide) in accordance with McCauley Service Bulletin No. 129, dated October 7, 1977, and Service Manual No. 761001, or later Federal Aviation Administration approved revisions.
(b) Replacement of the above parts must be accomplished by a Federal Aviation Administration Certificated Propeller Repair Station, since it is considered a major repair.
(c) When the affected propellers are approved for return to service, compliance with this airworthiness directive shall be noted in the Aircraft's Records.
(Cessna Service Letter SE-77-37 dated October 10, 1977, 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. 552(a)(1). All persons affected by the 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. These documents may also be examined at the Great Lakes Regional Office, 2300 East Devon Avenue, Des Plaines, Illinois 60018, and at FAA Headquarters, 800Independence Avenue, S.W., Washington, D.C. 20591. 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 the Great Lakes Region.
Amendment 39-3159 became effective December 28, 1977.
This amendment 39-3233 becomes effective on June 7, 1978.