As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO THROTTLE SYSTEM TRIPPED OFF WHEN ENTERING CLOUDS. RESET AND TRIPPED OFF 2 MORE TIMES WHILE IN CLOUDS. OPERATES NORMALLY IN THE CLEAR. REPLACED SRS COMP. OPS CKS GOOD IAW MM 34-24-11. (WHEN CREW WAS DEBRIEFED THEY INDICATED THAT THE SPD MODE WAS FAULTY NOT THE N1 MODE).