As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - FLT 1538 - DURING FLIGHT AT 13,000 FEET STABILIZER TRIM JAMMED. OPERATION INTERMITTENT THEN BOTH SYSTEMS INOPERATIVE. DIVERTED AND LANDED PHX WITHOUT INCIDENT. USED EXTRA BACK PRESSURE TO MAINTAIN FLIGHT. REPLACED HORIZONTAL STABILIZER TRIM CONTROL. SYSTEM GROUND CHECK NORMAL OPERATION. (M)