As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 BUS FAILED ON ENGINE START. DEFERRED NR 1 GEN AND CSD REF MEL 24-1-1A DMI NR 20731 ASSIGNED PLACARD INSTALLED MPEREZ 8427. REF DMI 20731 NR 1 BUSS FAILED ON ENGINE START. REMOVED AND REPLACED BUSS PROTECTION PANEL IAW 24-20-7. OPS CHECKS OK IAW JRH ENG RUN UP HAND BOOK THIS CLEARS DMI 20731 PLACARD REMOVED.