As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DUE TO MCDU NR 2 FAILURE DEFERRED PER MEL 31-65-1. DEF 354944 & 355043. ON T/S FOUND WIRE BROKEN AT PIN 41 OF P1-1026A. REPAIRED IAW SWP AND WEDM 34-63-22. R&R NR 3 MCDU IAW AMM 31-65-01-4. OPS TEST IAW AMM 31-65-01-5 NOW NORMAL. DMI CLOSED, PLACARD REMOVED.