As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FMC FAIL. STARTED WORKING AGAIN WITHOUT CREW ACTION. GROUNDED - YES. ACCOMPLISHED LEFT FMC BITE REF B737-900 FIM 34-61 TASK 801. NO CURRENT FUALTS FOUND. CYCLED LEFT FMC CB AND PERFORMED SYS TEST. ALL TESTS PASSED. REF B737-900 AMM 34-61-00-2 34-61 TASKS.