As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AFTER TAKE OFF OUT OF LAX CREW RECEIVED AN ECAM MESSAGE THAT THE LANDING GEAR WOULD NOT RETRACT DUE TO A LANDING GEAR SHOCK ABSORBER FAULT AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAX WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. REPLACED THE BRAKING AND STEERING CONTROL UNIT (BSCU) AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 32-42-34.