Aviation Consumer
RSS / XML

Home
Get Web Access Now
Get Web Access Now
Start a Subscription
Letters to the Editor
Purchase Back Articles
Year's 10 Best
Airplane Reviews
Sample Plane Reviews
Aviation Books
In Future Issues
Search
Links
Customer Service

Round Four: More Lyc Crank Woes

This time, Lycoming is calling for the retirement of 5100 additional crankshafts within three years. Engine shops are puzzling over the consequences.


Lycoming’s crankshaft action has been expanded to include many four-cylinder versions, above.
Owners of Lycoming engines winced collectively in late February as they received notification that the company was asking 5100 of them to “retire” crankshafts in four-, six- and eight-cylinder engines. The fourth major crankshaft service bulletin or AD in three years had field shops scrambling to determine how many of engines would be affected and how customers would react.

Lycoming latest service bulletin—SB 569—calls for the mandatory retirement of 5100 serial-number specific crankshafts made between 1997 and 2002. Lycoming says it has found no failures in this lot of crankshafts but, nonetheless, wants owners to replace them at the first opportunity—overhaul or when the case is opened—but no later than February 21,…


 
Subscriber Login
Purchase selection, or begin your subscription to aviation-consumer.com.
  Click Here to download Adobe Acrobat

Subscribe Today!

Get FREE Online Access to our complete online library including our airplane reviews!

Email:
First Name:
Last Name:
Address 1:
Address 2:
City:
State       Zip:
About Us / Contact Us / Privacy Policy / Site Map
Copyright Belvoir Media Group, LLC. All rights reserved.