As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER TAKEOFF, EICAS DISPLAYED C-HYD PRI 1 WITH ASSOCIATED PRESS LIGHT ON CENTER ELEC 1 PUMP SWITCH. AIRCRAFT RETURNED TO SFO. PUMP CONNECTOR FOUND BURNED. REPLACED PUMP PER MM 29-11-02, SERVICED HYD SYSTEM. REPLACED CONNECTOR D482, OPS CHECKED AND LEAK CHECKED PER MM 29-11-02. CHECKED GOOD.