What was found
AT FLIGHT LEVEL 400 AP FAIL, YD FAIL, SWPS FAIL, BLEED 2 OFF, STBY BARO NOCOMP, GSD 1 FAIL, SWPS ICE SPEED, HSDB FAULT, LEFT MAIN GEAR WOULD NOT SHOW DOWN BUT STAYED RED. PRESSURIZATION WAS BEING RUN ON MANUAL. TECH REMOVED AND REPLACED REPAIRED GSD NR 1 IAW AMM 31-41-01-000-801-A PERFORMED SOFTWARE/CONFIGURATION PER AMM TASK 31-41-01-470-801-A ALSO PERFORMED AVIONICS INTERGRATION SYSTEM SOFTWARE/CONFIGURATION UPLOADING PER AMM MPP (4610) 31-61-00-470-801-A. OPERATIONS CHECK GOOD.