ECI Cylinders fitted to Lycoming engines

[A and C]

A new FAA AD 2005-26-10 has been issued that limits the time is service if SOME ECI cylinders fitted to Lycoming engines to 800 hours.

If your engine is fitted with "Classic cast" ECI cylinders P/N AEL65102 (cast P/N 65099) and S/N between 1 & 9876 these must be scrapped at 800 hours TIS if the cylinders have more than 800 hours they must be changed within 60 hours.

for full details see:-

www.tdata.aero/iaprch/05-26-10.htm

[Firkin L]

Re: ECI Cylinders fitted to Lycoming engines

Thanks A&C - got two fitted to one of our aircraft which will probably need changing. I've got no problem with this as glider towing tends to knack cylinders after about 700 hours anyway. Shame, as we haven't had one fail yet.

Regards.

[A and C]

Re: ECI Cylinders fitted to Lycoming engines

I have had to scrap 4 of my Cylinders due to this AD but I guess it's better than having the heads come off in the air.


I am a little suprised at the lack of comment about this issue on the forum but I can only think that most people don't have a clue about the type of cylinders fitted to the aircraft that they fly, so the nasty shock will wait untill the next time that the aircraft has a maintenance check.

[IO540]

Re: ECI Cylinders fitted to Lycoming engines

Presumably this will be an issue only for owners with non-original cylinders?

There aren't many owner-pilots in this forum (or any other for that matter).

[Zulu Alpha]

Thanks for the AD. I was wondering whether these ECI cylinders were ever fitted by Lycoming. My engine is 13 yrs old but has never been recylindered so I wonder whether its affected.

I took a look at the cylinders on my engine today and cannot find any identication marks or numbers easily visible. I wonder how you can tell whether you're affected.

[stiknruda]

My AEIO360 A1A is fine, too. And it will be even sportier once I get around to installing the 10:1 NFS pistons and advancing the timing to 20 BTDC, over the next couple of weeks.

Thank you Santa

Stik

[A and C]

Alpha Zulu

If your engine was new or a Lycoming factory overhaul/re-manufacture then it will have Lycoming cylinders.

The AD only affects cylinders made by ECI. The casting part number can be found to the right of the rocker box oil return fitting above the exhust port cast into the rocker box.

[White Bear]

Received this AD in the post late last week, haven’t had a change to get to the hangar to check it out yet. 3rd AD on this engine since I bought my 177B last year, the fuel pump is the only one I have had to comply with. Interesting comment from A & C, if he’s right I should be OK, my 0360 is a 2002 factory Lycoming rebuilt.
Pheww.
Regards,
W.B.

[Kolibear]

slight thread drift here - sorry, but an engine is advertised as 'with replaced cylinders', what would that normally include? Is it just cylinder + head or does it include valve train. Are the pushrods include? And more to the point, what about the piston? I would have thought that a replacement cylinder would have needed a matching piston & rings, or are the ringd the responsiblity of the engine owner?

- but learning a lot!

[A and C]

The cylinder and head are one item ( the head is hot screwed onto the barrel at the factory and can't be taken apart).

A replacment cylinder usualy includes piston with rings, valves, valve springs & retaners.

The pushrods are normaly kept with the engine as the length is critical to valve clerance due to hydrulic tappet operating range.