Firsthand Look: TCM Crankshaft Inspections

SPECIAL REPORT. For the past month and a half, AVweb editor-in-chief Mike Busch has been living and breathing the ongoing saga of the crankshaft problems in big-bore Continental engines. He's been in nearly continuous contact with the TCM factory, talked to dozens of owners and FBOs (some furious, others happy), and watched over the shoulders of TCM inspectors when they came to his home airport to perform the ultrasonic testing mandated by Critical Service Bulletin 99-3. Here is Mike's firsthand report on the TCM crankshaft situation past, present and future.

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