As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE THE CREW RECEIVED A STAB TRIM DISCONNECT AMBER CASS MESSAGE. THE FLIGHT LANDED WITHOUT INCIDENT AT PHL. MAINTENANCE REPAIRED A BROKEN WIRE ON THE CAPTAINS PITCH TRIM SWITCH. CHECKS WERE DONE PER THE AIRCRAFT MAINTENANCE MANUAL. THE AIRCRAFT WAS RELEASED FOR SERVICE.