Airworthiness directives › 2005-24-09
AD 2005-24-09 Airworthiness Directives; McCauley Propeller Systems Propeller Assemblies Models 2D34C53/74E-X; D2A34C58/90AT-X; 3AF32C87/82NC-X; D3AF32C87/82NC-X; D3A32C88/82NC-X; D3A32C90/82NC-X; and 3AF34C92/90LF-X.
Makes named: mccauley. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to McCauley Propeller Systems propeller assemblies, models 2D34C53/74E-X; D2A34C58/90AT-X; 3AF32C87/82NC-X; D3AF32C87/82NC-X; D3A32C88/82NC-X; D3A32C90/82NC-X; and 3AF34C92/90LF-X, with the propeller hubs listed by serial number in the following Table 1: Table 1.—Affected Propeller Hubs Hub model Hub serial number C58, C34, C49, C78, C98 030725 030726 030727 030728 030729 030730 030748 030749 030750 030751 030752 030753 030754 030755 030756 030757 030758 030759 030760 050403 050407 050408 050410 050475 050477 C53 050389 C79, C90 042206 042207 042208 C77, C88 042201 042202 C87 blank index, C72, C93 042239 042524 042527 042528 042529 050071 050073 C92, C74, C86 050866 C87 D index 050934 (d) Because a propeller hub can be interchanged and re-identified as a different model with the installation of different studs or adapters, any of the affected hubs could have been re-identified as a different model. Each propeller hub model listed in Table 1 of this AD is the original hub configuration when shipped from McCauley. (e) The propeller hubs listed in Table 1 of this AD are installed on, but not limited to, the airplanes listed in the following Table 2: Table 2.—Airplanes Installed On, But Not Limited To Airplane Model Beagle B206. Bellanca 14-19-3A, 17-30, 17-30A. Cessna 180 series. 182E thru R. 185, A, B, C, D, E, F. A185, E, F. A188, A188A, A188B. 206 series. P206, A, B, C, D, E. U206A, B, C, D, E, F, G. TP206A, B, C, D, E. TU206A, B, C, D, E, F. U206, A, B, C, D, E, F, G. 207, A, T207. 210-5, 210-5A, 210, A, B, C, D, E, F, G, H, I, J, K, L. T210F, G, H, J, K, L. 310I, 310P, Q, R, T310P, Q, R. 320, A, B, C, D, E, F. 335. 340, A. 401, A, B. 402, A, B, C. 411, A. 414, A. 421, A, B. Fuji FA-200-180. Globe GC-1B. Hindustan HA-31. Meyers 200B, C, D. Mooney M20C, D, G. Navion A, B, C, D, E, F, G, H. Procaer F15/C. Transavia PL12. Windecker AC-7
Compliance
You are responsible for having the affected propeller hubs removed from service within 10 flight hours or 10 days after the effective date of this AD, whichever occurs first, unless the actions have already been done. Propeller Hub Removal (h) Remove from service propeller assemblies with affected propeller hubs, listed in Table 1 of this AD. (i) Send propeller assemblies with affected propeller hubs listed in Table 1 of this AD to a McCauley Service Center for disassembly, inspection, and propeller hub replacement with a serviceable propeller hub. (j) Send uninstalled propeller hubs listed in Table 1 of this AD to a McCauley Service Center for replacement with a serviceable propeller hub. Replacement Propeller Hub Pre-Installation Requirements (k) For retention nuts that were removed from an affected propeller hub, visually inspect the retention nut threads with a 10-power magnifier before assembly into a replacement propeller hub. Reject the nut for any signs of galling, heavy localized loading, thread deformation, or chipped threads that may have been caused by thread interference in the propeller hub. Reporting Requirements (l) Report within 10 calendar days of finding affected propeller hubs to: (1) The FAA, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Wichita, KS 67209, Attention: Jeff Janusz, telephone (316) 946-4148; e-mail: jeff.janusz@faa.gov; and (2) McCauley Propeller Systems, P.O. Box 7704, Wichita, KS 97277-7704. (3) Reporting requirements have been approved by the Office of Management (OMB) and assigned OMB control number 2120-0056. McCauley Credit Program (m) McCauley Alert Service Bulletin No. ASB251A, dated September 28, 2005 contains information on a credit program for affected hubs. Alternative Methods of
Unsafe condition
This AD results from a report by the manufacturer that they manufactured and released 40 propeller hubs with improperly machined socket retention threads. We are issuing this AD to prevent cracked propeller hubs, which could cause failure of the propeller hub, blade separation, and loss of control of the airplane.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1