What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: HYDRAULIC SYSTEM-A LOW PRESSURE LIGHT CAME ON IN FLIGHT WITH DECREASING QUANTITY; AIRCRAFT LANDED SAFELY AT CUN. **SUPPLEMENTAL REPORT FOR (AALA202405204064): REMOVED AND REPLACED ENGINE NUMBER 1 EDP ((AALA202405204064)), PER AMM 29-11-11. REMOVED AND REPLACED SYSTEM-A EMDP ((AALA202406042344)), PER AMM 29-11-21. REMOVED AND REPLACED HYDRAULIC PUMP PAD ROTATING SEAL ((AALA202406042259)). REMOVED AND REPLACED ENGINE NUMBER 1 EDP PRESSURE LINES ((AALA202406042917)) AND RETURN LINES ((AALA202406048822)), PER AMM 29-11-10. REMOVED AND REPLACED EMDP NUMBER 1 ACOUSTIC FILTER ((AALA202406041712)), PER AMM 29-11-27. FLUSHED SYSTEM-A HYDRAULIC FLUID ((AALA202406040098)), PER AMM 29-11-00.