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Old 02-05-2020, 11:40 PM
greghughespdx's Avatar
greghughespdx greghughespdx is offline
Join Date: Nov 2011
Location: Aurora, OR
Posts: 1,034
Default SB 20-01-17 -- Safety Wire Engine Plugs (RV-12/12iS)

Van's has issued a short Service Bulletin, SB 20-01-17, which directs owners to safety-wire specific plugs on the Rotax engines used on the RV-12 and RV-12iS.

"The magnetic plug, oil pressure regulator plug, and oil tank drain plug on Rotax 912iS and 912ULS engines should be safety wired to prevent loosening."

We've also published the respective kit assembly instructions (KAI) pages, which now include the steps to safety-wire the plugs. The timeframe for execution of this service bulletin is at or before the next annual condition inspection (or next 100-hour inspection for RV-12s under a commercial 100-hour inspection program). This relatively simple set of steps to follow can be done when the engine cowling is off the aircraft.
  • For RV-12iS using Rotax 912iS engines, perform all steps on KAI page 46iS-11 to safety wire the engine plugs.
  • For RV-12iS using Rotax 912ULS engines, perform all steps on KAI page 46U-17 to safety wire the engine plugs.
  • For RV-12 using Rotax 912ULS engines, perform all steps on KAI page 46-22 to safety wire the engine plugs.
Greg Hughes - Van's Aircraft
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Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.

Building RV-8A since Sept 2014
Dual AFS 5600, Avidyne IFD 440, Whirlwind 74RV, Superior XP IO-360
VAF build thread - Flickr photo album - Project Facebook page
Aurora, OR (EAA Chapter 105)

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