Maintenance Matters

June 1999 Issue

Maintenance Matters

Massive TCM crankshaft fiasco puts many owners on the beach.

At least they can heave a sigh of relief in Williamsport.

Just as Lycoming was digging out from a widespread problem with piston pin plugs, Teledyne Continental got its night in the barrel with a massive crankshaft AD affecting 3200 engines with cranks made in 1998. As we go to press, TCM was fanning inspectors into the field as shops were popping jugs to open up each engine for ultrasonic inspection, a process that takes less than an hour. Following that, the engine is buttoned up and returned to service, with costs covered by TCM, to include the cylinder R&R and crankshaft replacement, irrespective of warranty state.

Seven Failures
TCM’s John Barton told us the proble...

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