As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING INSPECTION IAW AD 2004-06-51 A CRACK WAS DETECTED IN THE UPPER EXTENSION 37 INCHES FROM THE TOP. SHAFT WAS REMOVED FROM SERVICE AND RETURNED TO MFG FOR INSPECTION. MFG IS CONDUCTING INSPECTIONS OF ALL IN-SERVICE SHAFTS AND SPARES TO ELIMINATE ANY SHAFT FROM THE SYSTEM THAT HAS ARC BURNS.