As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FO PFD HAS NO VSPD AND MAP DISPLAYS MAP UNABLE TO ENGAGE LNAV/VNAV. OPS NORM ON FMC 1. GROUNDED - YES. PERFORMED FMCS BITE PER B737-800 FIM 34-61 TASK 801 AND ON R/H FMC HAD ARINC FAULT. FIM 34-61 TASK 837 STATES FMC WITH ARINC FAULT HAS HARDWARE FAULT. REMOVED AND REPLACED R/H FMC PER B737-800 AMM 34-61-02. PERFORMED GOOD SOFTWARE CROSSLOAD, INPUT OF PERFORMANCE FACTORS, AND GOOD OPS TEST PER AMM 34-61-02-400-801.