This newsletter is to inform users of problems associated with Alstom IP steam turbine shim migration.
Unit type
Alstom IP Steam Turbine Model DKY223-2N34B
History
There have been numerous cases of shim migration on the IP turbines that have led to damaged steam turbine blading.
Recommendation
Inspect immediately and on regular intervals to verify and or monitor any shim migration found on the IP turbine.