As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#384, MCO-JFK. (AIRCRAFT PERFORMED AN AIR TURN BACK) BACK UP ATT INDICATOR SHOWING INCORRECT PITCH AND BANK DURING FLIGHT UP TO 90' BAN AND 20' PITCH WHILE STRAIGHT AND LEVEL; REMOVED AND REPLACED ISIS INDICATOR IAW AMM 34-22-25. ALL OPS CHECK OK . AIRCRAFT OK FOR SERVICE.'