Squawk Box

October 2009 Issue

Engines And Accessories

The following information is derived from the FAA’s Service Difficulty Reports and Aviation Maintenance Alerts.

On July 14, 2009, Teledyne Continental Motors (TSM) published the latest revision to its Mandatory Service Bulletin MSB09-1B. In it, TCM states it has determined a tool used to manufacture new TCM-brand cylinders "created an area of reduced thickness" between the upper spark plug bore and the fuel injector/primer nozzle bore "that may result in a crack after prolonged operation." The MSB includes a list of affected engine models and engine/cylinder serial numbers dating back to August 2006 that may be affected.

To continue reading this entire article you must be a paid subscriber.

Subscribe to Aviation Safety

The monthly journal of risk management and accident prevention, is packed with useful, timely information on basic and advanced technique, accident analysis and, most important, practical articles on how you can develop the judgment that will keep you in the air and out of the NTSB's files.

Already subscribe but haven't registered for all the benefits of the website? Click here.

Subscriber Log In

Forgot your password? Click Here.