As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD G ENG1 PUMP LO PR. UPON RETURN TO GATE MOTORED LEFT ENGINE FOUND ENGINE DRIVEN PUMP (GREEN) PRODUCING 3000 PSI WITH LOW PRESSURE ECAM INDICATION. VERIFIED LOW PRESSURE INDICATION ISSUE. FOUND EDP CASE DRAIN FILTER DPI NOT EXTENDED. REPLACED EDP PRESSURE SWITCH REF. MM 29-11-17-400-010-A. MOTORED ENGINE PER MM AND ALL PRESSURE ECAM INDICATIONS NORMAL. NO LOW PRESSURE ECAM MESSAGE PRESENT.