As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT AT GEAR RETRACTION, LT MAIN GEAR DID NOT APPEAR TO RETRACT & DOOR SHOWED OPEN. ECAM INDICATED LG RETRACTION INOPERATIVE. FUEL CONSUMPTION INCREASED. SELECTED OPPOSITE SYS & CYCLED THE GEAR, NO HELP. COMPLIED WITH ECAM & QRH. DECLARED AN EMER. SEE NEXT PAGE. AMM TROUBLESHOOT. R & R LT MLG SEQUENCE VLV IAW MM. OPERATIONS CHECKED GOOD. GEAR SWING PERFORMED. OK FOR SERVICE.