As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2043, AFTER PUSHBACK AND ENGINE START BOTH HYDRAULIC SYSTEMS SHOWED BELOW MIN. RETURNED TO GATE (AFTER MTX NOTED LEAK IN LEFT NACELLE). MAINTENANCE REPLACED GEAR DOOR UP LINE. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.