What was found
GO-AROUND, AFTER GEAR EXTENSION, LT MAIN INDICATOR LIGHT DISPLAYED UNLK WITH NO GREEN TRIANGLE. WHEEL PAGE ON ECAM DISPLAYED RED TRIANGLE ON THE LEFT SIDE OF LT MAIN GEAR & GREEN TRIANGLE ON THE RT. ON LANDING ROLLOUT GOT L/G SYSTEM DISAGREE ECAM MESSAGE. LT LG DNLK PROX SNSR (15GA) TGT POS" MSG. R &R 2M MLG LEG HARNESS IAW AMM 32-11-43 UP TO AND THRU STEP K.(3). PERFORMED TROUBLESHOOTING IAW TSM 32-31-00-810-896-A & FOUND AFOREMENTIONED 2M MLG HARNESS TO BE PHYSICALLY DAMAGED. PERFORMED MLG PROX SENSOR & TARGET CLEARANCE CHECK OF 15GA & ADJUSTED SAME, PERFORMED RESISTANCE & INDUCTANCE CHECKS OF 15GA IAW AMM 32-31-73. ALL WITHIN LIMITS. PERFORMED STEPS 4.K(4) THRU 4.N(1) OF 2 MLG HARNESS INSTALLATION IAW AMM 32- 11-43 SWUNG GEAR 5 TIMES WITH NO ISSUES NOTED IAW AMM 32-31 THRU STEPS 5.A. PERFORMED OPS TEST OF NORMAL BRAKING SYS IAW AMM 32-42. OPS TEST GOOD. PERFORMED FUCTIONAL TEST OF THE TACHOMETERS IAW AMM 32-42. TEST GOOD, NO FAULTS. COMPLETED INSTALLATION OF 2M HARNESS IAW AMM 31-11-43. DOWNJACKED ACFT RETURNED TO NORMAL CONDITION IAW AMM 32-31. (LP: 8900232, AIRCRAFT WAS GROUNDED)