As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GNDED. ECAM FUEL ACT XFR FAULT. NEITHER ACT TRANSFERRED FUEL. SELECTED FWD, STILL NO TRANSFER. DESCENDED TO FL 260, STILL NO TRANSFER. GOT GREEN TRIANGLE & FULLY GREEN TRIANGLE, BUT NO TRANSFER. FOUND THE ACT 2 VENT VLV ACTUATOR 4QH2 AT FAULT. REPLACED IAW AMM 28-28-55. A SUCCESSFUL ACT SYS AUTO & MANUAL TRANSFER WAS ACCOMPLISHED.