What was found
STAB TRIM/ MACH TRIM DISENGAGED IN FLIGHT, COULD NOT RESET. CHANNEL A AND B OF HSTCU FAULT. COPILOTS DISCONNECT SWITCH FOUND BROKEN WIRE. REPAIRED WIRE IAW AMM 27-41-30. OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STAB TRIM/ MACH TRIM DISENGAGED IN FLIGHT, COULD NOT RESET. CHANNEL A AND B OF HSTCU FAULT. COPILOTS DISCONNECT SWITCH FOUND BROKEN WIRE. REPAIRED WIRE IAW AMM 27-41-30. OPS CHECK GOOD.