As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - ATB - AT FL 370 A/P ON - ACFT DOVE 100' AND YAWED RT. OCCURRED 3 TIMES. DISENGAGED A/P - NORMAL OPERATION ON RETURN. BIT CHECK ALL SCM. FOUND FAULT ON 3 RT SCM BOX. SCM FAULT APL 767 SHELF. NO OTHER FAULTS ON THE REST OF BOXES. R & R SCM 3R IAW AMM27-09-00. OPS CHECK GOOD. OK FOR SERVICE.