As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, INTERMITTENT AURAL WARNING HORN SOUNDED. TCAS FAILED AND BOTH TRANSPONDERS STOPPED WORKING. CABIN PRESSURE CONTROLLER WAS NOT CONTROLLING PRESSURE. FIFTY MINUTES LATER EVERYTHING STARTED WORKING AGAIN. FORTY MINUTES LATER THE MALFUNCTIONS RETURNED. *S/D* REPLACED AIR/GROUND SENSORS DUE TO FAILURE.