As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT WINDOW ON PRESSURE CONTROLLER HAS UNRELIABLE, UNSTABLE NR SCROLLING. FLIGHT ALT DESIRED IMPOSSIBLE TO INPUT. ACFT GROUNDED. CYCLED POWER FROM JET POWER TO APU AND PRESSURIZATION CONTROL MODULE READING CAME TO NORMAL. BOTH PRESSURIZATION CONTROLLERS BITE TESTED IAW TASK 21-31-00-700-802, BOTH OPS CK GOOD. PRESS CONTROL MODULE READING ALL NORMAL. NO HISTORY 30 DAYS.