As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STANDBY ADI PRECESSED 20 MIN. AFTER TAKE OFF, AT CRUISE. RECAGED BUT 2-3 MIN. LATER, PRECESSED AGAIN. 20-30 DEG RIGHT BANK, 10 DEG NOSE HIGH. REMOVED AND REPLACED STANDY BY ATTITUDE INDICATOR IAW MM 34-25-011-4. SYSTEM OPS CHECKED NORMAL. OK TO CONTINUE.