As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BORESCOPE INSP OF METALLIC/HYBRID VSV SYSTEM. NR 1 ENG FOUND THE 9 O'CLOCK POS SLAB HEAD PIN ON STAGE 3 IS ROTATED 90 DEGREES AND HAS MIGRATED OUT OF POSITION. GROUNDED - YES. REMOVED AND REPLACED NR 1 ENGINE PER TC 78471000, 78471001.