As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, WITH MASTER CAUTION RECALL, SPEED TRIM FAIL ILLUMINATED. GROUNDED - YES. FCC "A" LOGGED 22-11186 FAULT. "B" SHOWS NO FAULTS LOGGED. PERFORMED IFIM 22-11-00-810-C61 & DETERMINED FAULT WAS A SOFTWARE NUISANCE FAULT. PERFORMED LRU TESTS SPEED TRIM/STAB TRIM 60.32 & ALL TESTS PASSED.