As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELEVATOR TRIM FROZE IN FLIGHT AT 24,000 FT -31C DEGREES. AFTER DESCENDING TO ABOUT 12,000 FT WITH OAT AT -5C DEGREES IT RETURNED TO NORMAL. REMOVED AND REPLACED LEFT AND RIGHT ELEVATOR TRIM ACTUATORS IAW MM 27-32-02. CABLES TENSIONED IAW MM 27-00-01. OPS CHECK GOOD.