As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACTUATOR, EN ROUTE, SJC-BOS RIGHT SYSTEM HYDRAULIC QUANTITY MESSAGE ON EICAS. HYDRAULIC QUANTITY INDICATED .47. SECURED RIGHT SYSTEM PER OPERATIONS MANUAL. AIR INTERRUPTED MSP AND LANDED WITHOUT INCIDENT. REPLACED NUMBER 7 SPOILER POWER CONTROL ACTUATOR. SYSTEM GROUND CHECKED NORMAL OPERATION.