As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO LOADER REPORTED AFT CARGO DOOR WILL NOT OPEN ELECTRICALLY WHILE MASTER LATCH LOCK IS RELEASED, DOOR JUST MOVES A LITTLE BIT THEN STOPS. UNABLE TO CLOSE AFT CARGO DOOR MANUALLY. NEED 180-9387 CARGO DOOR LOWER TORQUE TUBE ACTUATOR, NIS AT SFO. WHILE TROUBLESHOOTING CARGO DOOR NR 1 PYLON STARTED LEAKING STEADY STREAM OF HYDRAULIC FLUID.