As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC LIGHT CAME ON ON TAXI INOP IN AUTO AND MANUAL MODE THEN WORKED LATER. HYD PUMP WAS FOUND TO WORK INTERMITTENTLY AND OPERATION WAS WEAK. REMOVED AND REPLACED HYD PUMP IAW CWC 29-10-07S AND OPS CHECK GOOD IAW 29-10-10-04 PN 40185-02 SN OFF EQ21 SN ON ID72.