As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON REACHING CRUISE STAB TRIM CAUTION MESSAGE. QRH FOLLOWED WITH CAUTION NOT CLEARING. QRH STATED A FLAPS 20 LANDING FOR THIS. FLAP TWENTY LANDING PERFORMED UNEVENTFUL. MAINTENANCE FOUND THE STAB TRIM CHANNEL NR 2 SWITCH LOOSE AND RESECURED SWITCH WITH SYSTEM OPERATIONAL CHECKED IAW AMM.