| AD Number | 78-06-02 | Status | Active |
| Effective Date | June 07, 1978 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-3233 |
| Product Type | ["Propeller"] | Product Subtype | Not specified |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | McCauley Propeller Systems |
| Model(s) | 3FF32C501 |
78-06-02 MCCAULEY PROPELLERS: Amendment 39-3159 as amended by Amendment 39-3233. Applies to the following three bladed full feathering constant speed Model 3FF32C501 propellers installed on but not limited to the Cessna Model 421C and 404 aircraft:
Affected Propeller Serial Numbers
769303
769304
769571
769572
769573
769574
769575
769576
769577
769578
769579
769580
769581
769582
769583
769584
769585
769586
769587
769588
769589
769590
770176
770177
770178
770179
770601
770602
770603
770604
770605
770606
770607
770643
770644
770645
770646
770647
770648
770649
770650
770651
770652
770653
770654
771239
771291
771318
771319
771320
771321
771322
771323
771324
771325
771326
771327
771328
771329
771330
771331
771332
771333
771334
771335
771491
771492
771493
771495
771496
771497
771498
771499
771500
771534
771535
771536
771537
771538
771539
771540
771734
771735
771736
771737
771738
771739
771740
771741
771742
771743
771744
771745
771746
771747
771748
771839
771840
771841
771843
771848
772212
772213
772335
772336
772337
772338
772339
772340
772341
772342
772343
772344
772345
772346
772347
772348
772349
772396
772397
772398
772399
772400
772401
772429
772430
772432
772433
772434
772435
772436
772437
772438
772439
772440
772952
772953
772958
772959
772960
772961
772994
772995
772996
772997
772998
772999
773000
773047
773048
773049
773050
773051
773052
773053
773054
773055
773056
773057
773058
773059
773060
773061
773062
773066
773184
773185
773186
773187
773188
773189
773190
773191
773348
773349
773350
773351
773352
773353
773356
773358
773359
773360
773361
773573
773574
773575
773896
773897
773898
773899
773903
773966
773969
773970
773971
773973
773974
774113
774116
774122
774124
774175
774178
774180
774181
NOTE: Serialnumbers are stamped on the side of the propeller hub. These propellers are equipped with Model 90UMB-0 blades.
Compliance required before further flight, except that the airplane may be flown in accordance with FAR 21.197 to a Federal Aviation Administration Certificate 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. 131 dated January 20, 1978, and Service Manual No. 751201 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.
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, 800 Independence 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 39-3101 became effective March 22, 1978.
This amendment 39-3233 becomes effective on June 7, 1978.