As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LGCIU 1 FAULT DISPLAYED ON UPPER ECAM SCREEN L G, CAME ON DURING CLIMB. CFDS ATA 323171 LGCIU1 05GA1 ID LGCIU TSM32-31-00-810-802-A O5GA1 565-9032. LGCUI 1 FAULTED 20GA PROX SENSOR. IAW ASM 32-31-03, CHECKED WIRING FROM LGCIU 1 BENCH PLUG TO 20GA PROX SENSOR & HAD SHORT TO GRD ON PIN 3B OF AA BENCH PLUG CONNECTOR. ISOLATED SHORT TO 4028VC RECEPTACLE 26592. REPLACED 4028VC RECEPTACLE, ACP LGCIU 1 TEST NO FAULTS. GRD SCAN NO FAULTS. REPLACED LGCIU NR 1 OPERATIONS CHECKED GOOD.