As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ISSUE-CREW REPORTED LOSS CABIN ALTITUDE INDICATION IS IN THE CLIMB, STOPPED AT 10,000 THEN LOST ALL CABIN INDICATIONS WITH ORANGE DASHES AND CABIN RATE WAS 0.CORR ACTION- MX TROUBLESHOT TO BAD DIGITAL CONTROLLER SWAPPED THE CONTROLLER ALL OPS TESTS GOOD.