As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AIRCRAFT GROUNDED) (EMERGENCY DECLARED) CLIMBING OUT OF 12000 FEET GOT ADV FOR LOW OIL QTY ENG 1. FOLLOWED BY DROPPING OIL PRESSURE. OIL PRESSURE DROPPED IN THE RED. GOT MASTER WARNING FOR ENG 1 OIL LO PR. WE SHUT DOWN ENG 1 AND FOLLOWED ECAM AND SOP PROCEDURES. REMOVED AND REPLACED LUBERICATION UNIT PER AE-11466 IAW AMM 79-21-10-000-004-A AND AMM 79-21-10-400-004-A, PERFORMED ENGINE RUN AND LEAK CHECK REF AMM 71-00-00-710-006-B AND AMM 79-00-00-210-003-A, OPS AND LEAK CHECK GOOD.