As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING TC SBCCFM56-7B-0986-1, THE NR 2 ENGINE, THIRD STAGE SHROUD SEGMENT RETAINING PIN AT 9 O'CLOCK POSITION CAUSING DOWNSTREAM DAMAGE TO HPC & VSV AND SECOND STAGE SEAL SEGMENT ROTATED & OVERLAPPED UPPER SEGMENT CRACKED APPROXIMATELY 2 INCHES WITH MISSING MATERIAL AT THE 3 O'CLOCK POSITION. ACFT GROUNDED. REMOVED & REPLACED THE NR 2 ENGINE IAW W/O #376251.