As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH NR 3 HYDRAULIC SYSTEM INDICATED 0 PERCENT QUANTITY FOLLOW SYS HYD 3 LOW PRESS CAUTION MSG. PER QRH MANUALLY EXTENDED LANDING GEAR. SERVICE LOOSE FITTING ON HYD NR 3A PUMP. SVC'S NR 3 SYSTEM + OPS CHECK GOOD IAW CRJ AMM 29-12-00 AND AMM 12-12-29.