As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI AT LOW SPEED, APPROXIMATELY 11-12 KTS. SPOILER OPENS AND SPOILER FAIL EICAS CAUTION ILLUMINATED INTERMITTENTLY. FOUND THE NR 4 MLG HUB CAP DRIVE CLIP GAP OUT OF ADJUSTMENT, ADJUSTED CLIP IAW 32-49-02. NO FUTHER DEFEECTS NOTED. A/C OK FOR SERVICE.