As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/T KICKED OFF WHEN TOGA WAS PUSHED ON T OFF. GROUNDED - YES. BOTH DFCS & A/T FAULT HISTORY SHOWS NO FAULTS. ACCOMPLISHED TOGA SW TEST REF B737-900 FIM 22-11 TASK 801, A/T SERVO MOTOR TEST & A/T SYSTEM TEST REF B737-900 AMM 22-31-91-400-801 & AMM 22-31-00-710-802, OPS CK NML. ALSO, TESTED A/T INPUT DISCRETE TEST (TOGA SWITCHES) NML. ACCOMPLISHED DFCS LAND VERIFY TEST (GP 49) REF AMM 22-11-00 & HGS SYSTEM TEST REF B737-900 SMM 34-36-00, OPS CK NML.