As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CRUISE SYSTEMA ENGINE NUMBER 1 HYDRAULIC PUMP LOW PRESSURE LIGHT ILLUMINATED ALONG WITH MASTER CAUTION, THEN LOST ALL HYDRAULIC PRESSURE; AIRCRAFT DIVERTED AND LANDED SAFELY AT DFW.**SUPPLEMENTAL REPORT FOR (AALA202407129573): ACCOMPLISHED REMOVE AND REPLACED NUMBER 1 ENGINE DRIVEN HYDRAULIC PUMP. OPERTIONAL AND LEAK CHECK GOOD. PER AMM 29-11-11**(CLOSED).