What was found
ASH 7319 SAV - STAB TRIM AND MACH TRIM THAT DISENGAGED IN FLIGHT AND WOULD NOT RE-ENGAGE. MAINTENANCE CLEANED THE CAPTAIN'S STAB DISCONNECT SWITCH.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ASH 7319 SAV - STAB TRIM AND MACH TRIM THAT DISENGAGED IN FLIGHT AND WOULD NOT RE-ENGAGE. MAINTENANCE CLEANED THE CAPTAIN'S STAB DISCONNECT SWITCH.