As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SPEED TRIM FAIL LIGHT CAME ON W/RECALL AT TOP OF DESCENT. GROUNDED - YES. DFCS FLT FAULTS SHOW CHAN A MSG 22-11186 TRIM CMD RESPSE MON. & CHAN B MSG 22-11186 PLUS STAB TRIM FAIL MSG 22-11161.PERFORMED DFCS 20.32 LRU TESTS CHA AND CHB, TESTS PASS REF B737-9 IFIM 22-11-00-810-061. PERFORMED DFCS 60.35 DUAL STAB, TEST PASS REF IFIM 22-11-00-810-918. GROUND VERIFICATION SUCCESSFUL PER SAME IFIM REFS.