As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1850 - PDX-SEA - UPON LANDING GEAR EXTENSION, LOST A SYSTEM HYDRAULICS QUANTITY WENT TO ZERO. AIRCRAFT MADE AN UNEVENTFUL LANDING IN SEA. INSPECTION OF AIRCRAFT FOUND LEAKING LEFT GEAR DOOR ACTUATOR RETURN HOSE. REMOVED AND LEFT ACTUATOR RETURN HOSE. REMOVED AND REPLACED NR 1 AND NR 2 ENGINE DRIVEN HYDRAULIC PUMPS IAW B727 MM 29-11-31. SERVICED A SYSTEM. SYSTEM CHECKS GOOD IAW B727 MM 29-11-0. AIRCRAFT RETURNED TO SERVICE. (M)