What was found
(CAN) THE ENGINE WAS REMOVED FROM THE ACFT FOR A SCHEDULED O/H. WHEN THE ENGINE WAS TORN DOWN FOR INSPECTION OF ALL COMPONENTS, THE NR1 T-WHEEL WAS SENT TO THE NDT DEPARTMENT FOR AN FPI INSPECTION WHICH IS ROUTINE TO THE ENGINE INSPECTION REPAIR MANUAL. THE NR 1 T-WHEEL CAME BACK AS A FAILED INSPECTION DUE TO CRACKS ON THE TIPS OF THE BLADES. THE T-WHEEL HAS ONLY 4662 CYCLES AND 3346.1 HRS ON IT SINCE NEW. THIS NR 1 T-WHEEL HAS A 20,000 CYCLE LIFE ON IT AND STILL HAD 15,338 CYCLES REMAINING TILL IT WAS CYCLE EXPIRED.