As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC SYSTEM A ENGI 1 LOW PRESSURE LIGHT IILLUMINATED FOLLOWED BY LOSS OF HYDRAULIC GUQNTITY IN FLIGHT IN SYSTEM A. RAN QRH AND LANDED UNEVENTFULLY OVERWEIGHT. REMOVED AND REPLACED #1 ENG HYD PUMP PER AMM 29-11-400-801-001 AND 29-11-11-000-801-001. REPLACED #1 ENG HYD CASE DRAIN FILTER PER AMM 29-11-51. OPERATIONAL CHECKS GOOD. LEAK CHECKS GOOD.