As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/G WOULD NOT RETRACT. COMPLIED WITH ECAM AND QRH. RETURNED TO DEPARTURE. PERFORMED PROX DETECTOR PROCESSING UNIT MEMORY RECALL IAW TSM 32-61-00. FOUND MEMORY EMPTY WITH "00" DISPLAYED. INSPECTED PITCH DAMPERS ON BOTH LANDING GEARS AND NO DEFECTS FOUND IN REF MM 32-10-00-06. R & R LDG GEAR CONTROL SELECTOR VALVE (3GA) AS PER AMM32-31-12-04. R & R LDG CONTROL LEVER AS PER AMM 32-31-11-04. PERFORMED LDG SWING CK WITH DET SYS 1 AND 2 SEVERAL TIMES . ALL TIMES WORKS NORMAL AS PER MM32-30-06-0. A/C OK FOR SERVICE