As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE TAXING TO THE GATE AFTER LANDING, INBOARD SPOILER FAIL MESSAGE ILLUMINATED ON EICAS SCREEN. SHORTLY FOLLOWED BY E1 HYDRAULIC PUMP FAIL AND HYD SYSTEM FAIL. CORRECTIVE ACTION: UPON INSPECTION, FOUND LEFT INBOARD SPOILER ACTUATOR CRACKED CAUSING LEAKAGE OF FLUID DURING SPOILER ACTIVATION. REMOVED AND REPLACED SPOILER ACTUATOR AS PER AMM. OPERATIONAL AND LEAKS CHECKS SATISFACTORY.