As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING ROLLOUT, 'ENG 1 REVERS UNLOCK' ECAM MESSAGE. MAINTENANCE REMOVED AND REPLACED RELAYS 3EG1 AND 2EG1 IAW TROUBLESHOOTING MANUAL 78-00-810-807 AND ELECTRICAL STANDARD PRACTICES MANUAL 20-46-50. OPERATIONAL CHECK OF NR 1 ENGINE T/R WAS GOOD.