As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 370 - CLT-MEM - AFTER DEPARTURE FROM CLT, ENGINE NR 1 SYSTEM NR 1 HYDRAULIC PUMP FAILED. FLIGHT RETURNED TO CLT WITHOUT FURTHER INCIDENT. CAPTAIN DID NOT DECLARE AN EMERGENCY. MAINTENANCE REPLACED THE NR 1 ENGINE NR 1 SYSTEM HYDRAULIC PUMP AND FILTERS. (M)