What was found
(CAN) REBOUND BLOCKS FOUND TO HAVE WRONG THREAD. BLOCKS CAN BE REPAIRED. REPAIR FOUND TO BE MINOR. PAPER TRAIL FOLLOWED TO EXACT POINT DEFECT OCCURRED. ALL BLOCKS, BY S/N LOCATED. A FIELD REPAIR AND SB CURRENTLY BEING DEVELOPED. WILL BE ISSUED TO CUSTOMERS WITH THE SN'S LISTED. PROCESS SHEETS AND INSPECTION CRITERIA CHANGED TO PREVENT REOCCURRENCE.