As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 ENGINE YOKE TO PYLON, DURING UT INSPECTION OF TOP LEFT BOLT P/N HC712H0041-000 CRACK INDICATION. REMOVED BOLT FOR MT, VERIFICATION REQUIRED. REMOVED BOLT, BOLT FAILED MAGNETIC PARTICLE INSPECTION. REPLACED AND INSTALLED IAW BAE 146 MM.