As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC SYSTEM PUMP 3B LEAKING AND FOLLOWED WITH LOW CAUTION MESSAGE. MANUALLY EXTENDED GEAR FOR LANDING. EMERGENCY DECLARED. ALL OPS CHECK GOOD. REMOVED AND REPLACED HYDRAULIC SYSTEM NR 3B. OP CHECK LEAK CHECKED GOOD IAW AMM 29-12-00. OK FOR SERVICE.