What was found
WHILE ACCOMPLISHING ASA TASK CARD SBCFM56-7B-72-1033-1, ENGINE #1, S/N 895978, FOUND FAN BLADES AT POSITION #2 AND #17 FAILED ULTRASONIC (UTI) INSPECTION PER ASA SUPPLEMENT 72-21-02, FOR CONVEX (CV) BLADE ROOTS WITH BLADE #2 INDICATION OF 36% 4.3" FROM THE LEADING EDGE AND BLADE #17 INDICATION OF 30% 4.7" FROM THE LEADING EDGE. GROUNDED - YES. REMOVED AND REPLACED FAN BLADES #2 AND #17 PER ASA TASK CARD 78472010 AND FAN BLADE #14 AS OPPOSITE PAIR PER TASK CARD 78472010. RESET THE AVVEM BALANCE TO NOMINAL. ALL LOCATIONS P14. FAN BLADES REMAPPED.