As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH FL280, THE RIGHT ENGINE THRUST REVERSER UNLOCK LIGHT ILLUMINATED. THE EMERGENCY STOW SWITCH WAS SELECTED AND THE UNLOCK LIGHT EXTINGUISHED. A MINUTE LATER THE UNLOCK LIGHT REILLUMINATED AND REMAINED ON THROUGHOUT DESCENT AND LANDING. IT WAS STILL ILLUMINATED AFTER SHUTDOWN. ABMORMAL CHECKLIST PROCEDURED ACCOMPLISHED.