The International Cessna 170 Association

Thanks for the replies George, Tom. I guess I'm really looking for a metalurgist to explain why the noticeable difference in severity of certain types of corrosion with the old vs. new designation. I'm familiar with what the numbers mean now, and that the materials should be the same. It's a curiosi...

I am not a member yet, and do not own a 170. I own an aircraft repair facility for GA aircraft, 22 years as A&P mechanic and 16 as IA. I should know the answer to the question below, but don't, and would like to draw some knowledge from the older, err more experience gentlemen. Here goes. What, ...

MS27039-0810. The difference in the #'s can be confusing. In this case the MS27039 is a base PN for a structural screw. The 08 is diameter and the 10 is length. Put a C in place of the dash and get corrosion resistant (looks like a matte finish stainless), which is still an approved structural faste...

0550155, rubber bushing 0550154-2, rubber pad S1450-23N22-100, washer S1450-23H16-095, washer You'll need 4 each of the above parts for the firewall bushings. Replace the bolts and nuts too. I have a set of 4 Lord mounts, H3006-1, new condition. had bought 2 sets for the last job accidentally. I'll ...

For the gascolator gasket you can use T308-2. It is a neopreme type material; reuseable. It's available from API 800-950-0111

You could be fighting a wing washout problem with one or both wings from improperly effected repairs. The eccentric bushings only have enough adjustment to compensate for a maximum split in the factory washout tolerances for both wings; 3 degrees plus or minus a half degree, meaning the aircraft wit...