As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ECAM MSG FOR NR 2 ENG REVERSER UNLOCKED, OCCURRED THREE TIMES DURING CLIMB OUT. CREW RETURNED TO FIELD. FOUND NUTS MISSING FROM LOWER RT STOW LATCH. REINSTALLED & TORQUED IAW AMM 78-31-19-400-001-A. PERFORMED OPERATIONAL CHECK IAW AMM 78-31-00-710-042-A WITH NO FAULTS NOTED.