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  #1  
Old 06-03-2022, 08:06 PM
bruceh's Avatar
bruceh bruceh is offline
 
Join Date: Mar 2008
Location: Ramona, CA
Posts: 2,641
Default Condition inspection at 1000 hours

I'm coming up due for an annual condition inspection this month and am just shy of 1000 hours and 8 years of flying my RV-9A.

Other than the usual oil change and new auto spark plug for the P-mags, should I be proactively doing anything based on just engine hours?

P-mags are up to date with the Firmware and were checked out at 500 hours by the factory.

Alternator belt looks good, but it is the original one on the airplane.

Hoses are of the teflon lined variety from Aircraft Specialty. I don't know if there is a life limit on these, but they look like new.

I changed the shrinking K&N air filter in 2020, so it should still be of sufficient girth to fill the airbox.

Brakes were done last year, and I've only done around 100 hours since then.
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Bruce Hill
RV-9A N5771H flown over 900 hours!
http://www.overthehills.com/RV-9A-Project
APRS Tracking for KJ6YRP and Flying Over the Hills Blog
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  #2  
Old 06-03-2022, 08:24 PM
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Walt Walt is offline
 
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Location: Dallas/Ft Worth, TX
Posts: 6,717
Default

PMAG’s need to be removed for bearing check every 100 hrs/cond Insp.
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 2000+ hrs, New Titan IO-370, Bendix Mags, MTV-9 prop
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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  #3  
Old 06-03-2022, 08:34 PM
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bruceh bruceh is offline
 
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Quote:
Originally Posted by Walt View Post
PMAG’s need to be removed for bearing check every 100 hrs/cond Insp.
Yep, I've always done the "ripple" test on the rotors.
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Bruce Hill
RV-9A N5771H flown over 900 hours!
http://www.overthehills.com/RV-9A-Project
APRS Tracking for KJ6YRP and Flying Over the Hills Blog
2022 VAF donator
EAA Tech Counselor, Pre Buys, Build assistance - canopy/tanks/fiberglass/electrical/repairs
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  #4  
Old 06-03-2022, 09:03 PM
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Walt Walt is offline
 
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Quote:
Originally Posted by bruceh View Post
Yep, I've always done the "ripple" test on the rotors.
You’re looking for lateral play mainly not ‘ripple’.
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 2000+ hrs, New Titan IO-370, Bendix Mags, MTV-9 prop
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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  #5  
Old 06-04-2022, 04:21 AM
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drill_and_buck drill_and_buck is offline
 
Join Date: Feb 2005
Location: Bridgewater, MA - KPYM
Posts: 501
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Walt points out a key item.

Every year you need to remove the PMAG, place it on a bench, and apply some lateral force to the gear. If it moves, it goes back to the factory for repair.

Here is a short video of a PMAG that failed the test: https://photos.app.goo.gl/Efvg1eS1d56DZxf47

Don't forget to replace the gasket and star washers.
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RV-8 N468RV
First Flight 11/13/2011
TMX0360, Dual Pmags, CS

Last edited by drill_and_buck : 06-04-2022 at 06:38 AM.
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  #6  
Old 06-04-2022, 06:08 AM
Cth6 Cth6 is offline
 
Join Date: Apr 2017
Location: Central Florida
Posts: 255
Default Video with a 1000 words

Great video. At SnF I asked the booth why don’t you bring one that is right at the failure point so owners can see what is/isn’t acceptable.
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  #7  
Old 06-18-2022, 05:46 AM
Tim Lewis Tim Lewis is offline
 
Join Date: Aug 2006
Location: Bristow, VA
Posts: 198
Default

Quote:
Originally Posted by bruceh View Post
I'm coming up due for an annual condition inspection this month and am just shy of 1000 hours and 8 years of flying my RV-9A.

Other than the usual oil change and new auto spark plug for the P-mags, should I be proactively doing anything based on just engine hours?

Lycoming recommends the SB 388C "wobble test" at 1000 hours (per SI 1485).
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RV-10 N31TD - 1650 hrs
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  #8  
Old 06-18-2022, 06:44 AM
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Rick_A Rick_A is offline
 
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Location: Jacksonville, FL
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If it were my plane I’d remove the prop and replace the alternator belt. If you have a CS prop, there is probably a lot of gunk in the crankshaft. It wouldn’t hurt to clean that out.
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Flying 7A Slider;
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  #9  
Old 06-18-2022, 07:42 AM
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pilotkms pilotkms is offline
 
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Location: WARNER ROBINS, GA
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Don’t believe Bruce has a constant speed. But just for reference, I pulled my Hartzell BF prop when I did an alternator conversion earlier this year (about 700 hours on it) and there was about 1/8” of that grey sludge in the cavity. Made a tool to scrape it out. Also put on a new alternator belt.
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RV 7A RV #9700 May 2017
N325KS the Flying “K”
Built in SoCal KCCB, now in GA @ KPXE
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  #10  
Old 06-18-2022, 08:08 AM
blaplante blaplante is offline
 
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Location: Southern California
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Hoses...

https://www.aopa.org/news-and-media/...aircraft-hoses
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