As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT FMC FAIL COMPUTER, FLT M OFF 19-3461-9-0004 7543 ON 19-3461-9-0004 3158 LEFT FMC REPLACED AS PER AMM 34-61-01-401. SOFTWARE CROSSLOADED AS PER AMM 34-61-01-401, LEFT FMC OPS NOW NORMAL. ROTABLE PARTS CHANGE WAS INDICATED - TT 1826136 SN OFF 7543.