As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT CLIMBS ON AUTO PILOT DURING CRUISE FLIGHT AT .780 AND ABOVE. STAB OUT OF TRIM ILLUMINATES. PLACED MACH TRIM ON MEL 22-5. 6/26/2004: ADJUSTED BOTH STAB (ELEVATOR) POSITION SENSOR RODS. CHECKED GOOD PER FMC ELEVATOR RIG, AUTO PILOT AND AUTO LAND TESTS.