As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FMC INOP ON PREFLIGHT. GROUNDED - YES. CYCLED AIRCRAFT POWER AND PERFORMED OPERATIONAL TESTS ON THE CAPTAIN'S MFCDU AND FMCS PER B737-900 AMM'S 34-61-01/401 AND 34-61-00/501. ALL TESTS NORMAL. MAINTENANCE BITE FUNCTIONS NORMALLY. ETOPS GROUND VERIFICATION SUCCESSFUL.