As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLL - FLT 41 - AUTO PILOT JERKS UP AND DOWN IN PITCH MODE (UNCOMFORTABLE) IN EITHER DFGC 1 OR 2 WHEN VERTICAL GYRO SW SET AT RIGHT ON AUXILIARY, AUTO PILOT VERY SMOOTH BOTH 1 AND 2 DFGC. REMOVED AND REPLACED NR 2 VERTICAL GYRO, OPS CHECK NORMAL IAW MM 34-23-00 AND RIGHTS CHECK ACCOMPLISHED OK IAW MM 22-01-05. (M)