What was found
ON DEPT REPEAT WRITEUP LG LGCIU 1 FAULT DEBRIEF FLIGHT CREW ON ARRIVAL TO GATE. REPORTED 3 MINUTES AFTER RETRACTING LANDING GEAR ON TAKE OFF, LGCIU 1 FAULT. ALSO HAD WIND SHEAR, GPWS DIED, AND REV 1 FAULT. STILL HITTING 27 GA.IPC 32-31-03-24. POST FLIGHT REPORT SHOWS CMS FAILURE MESSAGE L LG DOOR CLOSED PROX SNSR 27GA LGCIU 1 5GA1 AND LGCIU1 5GA1 FOLLOWED A319 AMM 32-31-00-810-820-A CHECKED WIRING BETWEEN SENSOR 27GA AND LGCIU 1 WIRING CHECKED GOOD NO SHORTS TO GROUND OR WIRE TO INSPECTED CONNECTOR 27GA A AND FOUND EVIDENCE OR CORROSION ON CONTACTS REPLACED CONNECTOR 27GA A AND RETERMINATED CONTACTS IN REFERENCE TO A319 AWM 32-31-01 DUE TO THE PRESENSE OF CMS FAILURE MESSAGE LGCIU1 5GA1 SUGGEST WE REPLACE LGCIU 1 IN REFERENCE TO A319 TSM 32-31-00-810-802-A WHILE ATTEMPTING TO REPLACE LGCIU 1 FOUND SERIAL NUMBERS FOR LGCIUS SWAPPED AND NOT MATCHING THIER REPLACED LGCIU 1 IN REFERENCE TO A319 AMM 32-31-71-400-001-A PERFORMED A BITE TEST OF THE LANDING GEAR IN REFERENCE TO A319 AMM 32-69-00-740-001-A BITE TEST PASSED PARTS USED 31-3231-9-0002,QTY 1 ROTABLE PARTS CHANGE WAS INDICATED TT 1540927 SN OFF 6662 REPLACED LGCIU 2 IN REFERENCE TO A319 AMM 32-31-71-400-001-A PERFORMED A BITE TEST OF THE LANDING GEAR IN REFERENCE TO A319 AMM 32-69-00-740-001-A BITE TEST PASSED CONNECTOR 27GA A AND CONTACTS REPLACED AS WELL AS LGCIU 1 AND 2 PERFORMED A BITE TEST OF THE LANDING GEAR SYSTEM IN REFERENCE TO A319 AMM 32-69-00-740-001-A BITE TEST PASSED SEE LOGPAGE 9249944 FOR OPERATIONAL TEST O