As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPISHING T/C 78472022 (SDI BORESCOPE ENGINE HPT BLADE) FOUND 1 LPT NOZZLE WITH 1 FULL CRACK, 1 RADIAL CRACK THAT INTERSECTS WITH THE F00000NOPARTULL CRACK, A HOLE IN HTE LPT NOZZLE WHERE THE CRACKS INTERSECT, AND AIRFOIL MATERIAL LIFTING OFF FWD OF THE HOLE. ON THE #1 ENGINE. ESN 894851. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE. DEFECT TRANSFERRED TO SHOP W/O 1165100.