What was found
SPEED TRIM FAIL ON APPROACH DFCS BITE LEG 1 ADRIU ADM TOTAL STATIC/ PRESS-2. #2 ADIRU BIT NO CURRENT, LEG 01 FAULT AIR/GROUND 34-21038 PERFORMED FIM TASK AND REPAIR CONFIRMATION REF. FIM 22-11TASK 849. LAND VERIFY C/W L/P 7995637. LIGHT EXTINGUISHED. DUE TO NUMEROUS DISCREPANCIES WITH AIRDATA AND CAT COMPONENTS REPLACED. LAND VERIFY TEST REQUIRED.PERFORMED LAND VERIFY TEST ALL PASS A/C REMAINS FULL CAT CAPABILITY REF. AMM 22-11-00/201.REMOVED AND REPLACED RIGHT ADIRU REF. AMM 34-21-01-400-801. REQUIRED INSTALLATION TEST. PARTS USED: 60-3421-9-0001,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1512251 SN OFF 7826 UNIT, ADIRU, AI OFF 60-3421-9-0001 7826 ON 60-3421-9-0001 1756 UNIT, ADIRU, AI OFF 60-3421-9-0001 7826 ON 0000PERFORMED OPERATIONAL TEST PASS AND LAND VERIFY ACCOMPLISHED L/P7995637.