What was found
HIGHLIGHTED YELLOW GIA 1 FAIL. ASSOCIATED CAS MESSAGES: YELLOW TCAS FAIL, PTRIM NML FAIL, AP FAIL, YD FAIL, FLAP AND SPEED BRAKE YELLOW X'S, LG WOW SYS FAIL; WHITE XPDR FAULT, BLEED 1 OFF. REMOVED FAULTY GIA NR 1AND INSTALLED A REPAIRED GIA. WORK PERFORMED IAW AMM 31-41-05. PERFORMED SOFTWARE UPLOADING IAW AMM 31-41-05-470-801-A.