As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR NOT UPLOCKED DISPLAYED ON UPPER ECAM. AFTER GEAR RETRACTION, RECEIVED A LANDING GEAR SHOCK ABSORBER FAULT ON UPPER ECAM.ACCOMPLISHED A COMPLETE NOSE GEAR STRUT SERVICE. CLEANED GREASE FROM NOSE PROX SENSORS. JACKED NOSE GEAR CLEAR OF GROUND AND GEAR CENTERED NORMALLY.