As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT, SAI SHOWS A 20 DEG RIGHT BANK AND 5 DEG TO 6 DEG NOSE UP IN LEVEL FLIGHT. SAI WILL THEN RETURN TO A 3 DEG RIGHT BANK AND 5 DEG''''S TO 6 DEG''''S NOSE UP. REMOVED AND REPLACED STANDBY ATTITUDE INDICATOR. OPS CHECKS NORMAL IAW MM CH 34-00-00.