As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INBD GROUND SPOILER FAULT STATUS MESSAGE AFTER LIFTOFF. RETURNED TO FIELD AND ACCOMPLISHED A UNEVENTFUL LANDING. INTERROGATED MDC, FOUND FAULT IN HISTORY, "SSCU 1/NO ASCU-1, BUS INPUT". C/W FIM ISOLATION IAW FIM 27-61-05-810-839-A02. REMOVED AND REPLACED ANTI-SKID CONTROL AS A PRECAUTIONARY MEASURE IAW AMM TASK 32-44-06-000-801-A01, 32-44-06-400-801-A01. OPS CHECK GOOD, NO FAULTS NOTED. RETURNED TO SERVICE.