As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT FMC FAILED AT CRUISE ALT 350. FMC P/RST AMBER LIGHT BLINKING ON AND OFF. PER CHECKLIST, WENT TO SINGLE FMC OPS. EVENTUALLY THE RIGHT FMC RETURNED TO NORMAL. GROUNDED - YES. REMOVED AND REPLACED RH FMC COMPUTER PER B737-800 AMM 34-61-02-400-801 OPERATIONAL BITE TEST & CROSS LOAD OK PER AMM 34-60-00-710-701.