As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD 3 FAIL WHEN SELECTING GEAR DOWN. REMOVED AND REPLACED NR 3 ENGINE DRIVEN HYDRAULIC PUMPS LEFT AND RIGHT REF AMM 29-11-01-2. OPS AND LEAK CHECKS REQUIRED. REF AMM 29-12-02/201 REMOVED AND REPLACED NR 3 ENGINE HYDRAULIC PUMP PRESSURE LINE MANIFOLD FILTER ELEMENT. NR 3 ENG HYDRAULIC PUMP CASE DRAIN LINE MANIFOLD FILTER ELEMENT. NR 3 ENG HYDRAULIC SYSTEM RETURN FILTER ELEMENT. LEAK AND OPS CHECKS REQUIRED.