SERVICE LETTERS

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Service Letters

100 Series
No Service Letters
100-4 Series
No Service Letters
151 Series
WWA-SL-151-042607.pdf May 4, 2007 All 151 and 150 Series Propellers - Pertaining to the change to steel blade ferrules
RV Series
WWA-SL-200RV-040805.pdf April 8, 2005 All RV Series Propellers - Pertaining to the metal spinner rear bulkhead mounting brackets
WWA-SL-200-082712.pdf August 27, 2012 200RV, RV10 and 200A Constant Speed Propellers Manufactured Between 05/03/2012 and 08/27/2012 - Pertaining to the hydraulic cylinder (hub cap) screws.
200G Series
No Service Letters
200G-CS Series
No Service Letters
210G Series
No Service Letters
210 Series
No Service Letters
200A Series
WWA-SL-200-082712.pdf August 27, 2012 200RV, RV10 and 200A Constant Speed Propellers Manufactured Between 05/03/2012 and 08/27/2012 - Pertaining to the hydraulic cylinder (hub cap) screws.
200AC / 400AC Series
No Service Letters
200C / 400C Series
WWPC-SL-200C-400C-0002rev01032013.pdf February 4, 2003 All 200C and 400C Series Propellers manufactured prior to 02/04/2003 – Pertaining to mandatory modification of the blade ferrule assembly
WWPC-SL-200C-061004.pdf June 10, 2004 All 200C Series Propellers - Serial no. 200C-240 and lower pertaining to the actuating pin base
WWA-SL-200C-051805.pdf May 18, 2005 All 200C and 400C Series Propellers - Pertaining to the actuating pin base
WWPC-SL-200-400-200C-081905.pdf August 19, 2005 All 200C and 400C Series Propellers - Pertaining to McCauley brand counterweights
WWA-SL-200C400C-070814.pdf July 8, 2014 Early 200C and 400C propellers subject to 2003 Service Letter SL-200C/400C-0002 inner ferrule to outer ferrule screw modification. (200C propellers serial numbers 200C-238 and lower and 400C propellers serial numbers 400C-236 and lower.)
WWA-SL-200C400C-013015.pdf January 30, 2015 All 200C Series Propellers with blade serial nos. 200C-385 and lower and all 400C Series propellers with blade serial nos. 400C-226 and lower. Pertaining to the actuating pin base mounting hole depth.
284 Series
No Service Letters
400 Rocket Series
No Service Letters
400C-M14 Series
No Service Letters
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  • © 2005 -
  • Whirl Wind Aviation, Inc.
  • 1419 State Rt. 45 S.
  • Austinburg, OH 44010 USA