As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT FMC INOP, MAP AND VJK RIGHT NAV DISPLAY. GROUNDED - YES. REMOVED R/H FMC COMPUTER PER B737-800 AMM 34-61-02-000-801 INSTALLED NEW R/H FMC COMPUTER PER AMM 34-61-02-400-801. OPERATIONAL TEST RH FMC SHOWS MMR #2 FAIL. SWAPPED R & L FMC COMP - NO HELP . RETURNED UNITS TO ORIG POS. RE- ACCOMP S/W X-LOAD - OPS RESTORED BOTH L & R FMC OPS CK OK. GRD VERIFICATIONS OK. REF B737-800 AMM 34-61-02 PB 400, 34-61-00-470-806, 34-61-00-710-801.