What was found
*EMERGENCY LANDING* IN FLIGHT SHORTLY AFTERTAKEOFF L/G LGCIU 1FAULT ECAM PRECEEDED B YLOUD THUMPING NOISE FOUND SENSOR 26GA FAULTED.REMOVED AND REPLACED SENSOR GEAR DOOR INDICATION RETURNED TO NORMAL.REF AMM 32-31-73. REPLACED LGCIU #1 DUE TO ECAM MESSAGE REF AMM 32-31-71-400-001. BITE CHECKS GOOD. ADDED ROTABLE PARTS INFO ROTABLE PARTS CHANGE WAS INDICATED - TT # 1887897 SN OFF 1841 UNIT, CONTROL I OFF 31-3231-9-0002 1841 ON 31-3231-9-0002 0254