What was found
NOT ABLE TO ACCESS EICAS STATUS, EPCS, ELECT HYD PAGES. NOTICED OUTFLOW VALVE CLOSED. CHECKED BREAKERS, PARKING BRAKE AND MADE SURE GEAR WAS NOT SLUGGED. RAM AIR DOORS ARE OPEN. ACFT IS IN AIR MODE. PSEU FAULTING S268 SENSOR. REPLACED S268 SENSOR AND REWIRED TO J4 JUCTION BOX TO CONNECTOR D5032P, OPS CHECKED GOOD, NO FAULTS.