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  #1  
Old 10-09-2021, 02:51 AM
Smak's Avatar
Smak Smak is offline
 
Join Date: Jul 2021
Location: Parrish
Posts: 12
Exclamation Rudder Pedal SB 99-6-1

If You're using inspection for SB 99-6-1, STOP ASAP!

This Failure occurred this morning while taxiing out for a weekend get away. Had it happened at 80 knots on takeoff beside the Hangar Line, I wouldn't be writing this! Right Rudder Pedal Left Seat! Non Pilot Wife in right seat.
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  #2  
Old 10-09-2021, 02:57 AM
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Thumbs down RUDDER Failure

Yes SB 99-6-1 was complied with by inspection within 10 hours of failure!
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  #3  
Old 10-09-2021, 12:45 PM
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scrollF4 scrollF4 is offline
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Default By whoís direction?

Gerard,
Have you turned in the part for an engineering assessment, perhaps to Vanís? Are you relaying Vanís engineersí direction to suspend the SB? That failure is pretty notable, and Iím glad you two are OK, but I would caution folks against simply ignoring a standing bulletin without getting a solid engineering assessment into why that happened.
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  #4  
Old 10-09-2021, 12:53 PM
Kyle Boatright Kyle Boatright is offline
 
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Location: Atlanta, GA
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Default

Quote:
Originally Posted by scrollF4 View Post
Gerard,
Have you turned in the part for an engineering assessment, perhaps to Vanís? Are you relaying Vanís engineersí direction to suspend the SB? That failure is pretty notable, and Iím glad you two are OK, but I would caution folks against simply ignoring a standing bulletin without getting a solid engineering assessment into why that happened.
The SB is for a 10 hour inspection, with replacement if any sponginess, hard rudder forces, etc. are experienced. Here's a link:

https://www.vansaircraft.com/wp-cont.../sb99-06-1.pdf

I figured 20 years down the road everyone had already modified their rudder pedals to get past the issue.

I'd recommend people make the mod/upgrade. Ain't hard, relatively speaking.
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2001 RV-6 N46KB
2019? (actually 2022) RV-10 N46BX
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  #5  
Old 10-09-2021, 01:26 PM
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azrv6 azrv6 is offline
 
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Default

An important reminder from the original poster to all RV6 and RV6A owners, many who are new to their aircraft, to verify the status of SB 99-6-1.

Although the SB provides the option to inspect the overhead rudder pedals every 10 hours, and explains how to inspect them, it is a much better course to repair or replace them per info in the SB.

I built my RV6 and have been flying it for 25 years. I replaced my overhead rudder pedals soon after the SB was published and inspection required replacing them. Ordered from Vans and several hours later the new pedals were installed.
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Last edited by azrv6 : 10-09-2021 at 01:29 PM.
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  #6  
Old 10-11-2021, 03:19 AM
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Smak Smak is offline
 
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Default

Quote:
Originally Posted by azrv6 View Post
An important reminder from the original poster to all RV6 and RV6A owners, many who are new to their aircraft, to verify the status of SB 99-6-1.

Although the SB provides the option to inspect the overhead rudder pedals every 10 hours, and explains how to inspect them, it is a much better course to repair or replace them per info in the SB.

I built my RV6 and have been flying it for 25 years. I replaced my overhead rudder pedals soon after the SB was published and inspection required replacing them. Ordered from Vans and several hours later the new pedals were installed.
Exactly my intention. Iím new to the RV world and my ( ew do me RV) was in full compliance with this and all SBs. I expressed as strongly as I know how to Sterling at Vanís tech support that this SB be changed, removing the inspection option and ďrequiringĒ replacement or reinforcing. The wisdom Iím getting from those who have seen the parts break is that the weld wasnít cooled properly (by applying heat) and that weekend the torque tube, which was the point of failure.
I have new rudder pedals on the way. They of course now come with gusset reinforcement.
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