What was found
AFTER GEAR EXTENSION RECEIVED A ANTISKID L FAIL ALERT, WENT AROUND. PROCEDED WITH QRH PROCEDURE. USED RWY 36L AS PRECAUTION. LANDED NORMAL NO PROBLEMS WITH BRAKE OVERTEMP OR FAIL. DID A RTS ON ASCU IAW MM 32-45-01-5 PAR. 2, TEST FAILED, ASCU INTERNAL FAULT. REMOVED AND REPLACED ASCU IAW MM 32-45-01-4, MM CALLS FOR RTS OF THE ASCU. DUE TO TYP-O IN STEP 13 OF PAR 2,(CONFIG CODE10-10 SHOULD BE 30-30) HAD TO DO RTS IAW MM 32-45-01-5 RTS TEST PASSED. MOCC AND ENGINERING NOTIFIED OF TYP-O. MEM R DID A RTS ON ASCU IAW MM 32-45-01-5 PAR. 2, TEST FAILED, ASCU INTERNAL FAULT. REMOVED AND REPLACED ASCU IAW MM 32-45-01-4,