As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT ROTATION ON TAKEOFF EICAS MSG C HYD SYS PRESS APPEARED AND AC PERFORMED ATB , AND AFTER LANDING MTX GROUNDED AC AND TROUBLE SHOT TO A CTR HYD PRESSURE SWITCH. AND REMOVED AND REPLACED CENTER HYDRALIC SYSTEM PRESSURE SWITCH IAW B767 AMM 29-11-09 OPS CHECK AND LEAK CHECK GOOD. MTX RETURNED AC TO SERVICE .