What was found
PASSING FL 300 PILOT ECAM CONFIGURATION, SLATS NOT IN TAKE OFF CONFIGURATION, IN RED, CONFIGURED PARKING BRAKE ON, IN RED. ECAM FROZEN CLR, STS, RCL NOT WORKING. REMOVED AND REPLACED BOTH FWC IAW MM 31-53-34-04. ACCOMPLISHED AFS LAND TEST IAW MM 22-40-00-05, ALL TESTS PASSED. ACFT OK FOR SERVICE.