What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: ENGINE 1 HYDRAULIC PUMP FAILED INFLIGHT; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW. REMOVED AND REPLACED NUMBER 1 ENGINE HYDRAULIC PUMP (AALA202402287533). REMOVED AND REPLACE CASE DRAIN FILTER MODULE (AALA202402282139). REMOVED AND REPLACED PRESSURE HOSE (AALA202402282105). PER AMM 29-11-11 AND AMM 29-10-52 AND 29-11-51. OPERATIONAL AND LEAK CHECK GOOD.