As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-5 CHECK, INSPECTION REPORTED NR 2 ENG AFT MOUNT INBD LWR LOCKING TAB THAT SECURES BOLT FROM ROTATING BLOWN OUT OF ITS SECURING POSITION TO PREVENT BOLT FROM ROTATING. REMOVED AND REPLACED BEARING AT RIB 10 IAW MM 54-51-17-000-003 AND MM 54-51-17-400-003, STEPS 1-4.