As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 738 - EN ROUTE DFW-EWR, SEVEN MINUTES AFTER DEPARTURE RIGHT SIDE THRUST REVERSER UNLOCK LIGHT ILLUMINATED. NO ADVERSE YAW OR DEPLOYMENT OF THRUST REVERSER. LANDED EWR WITHOUT INCIDENT. REPLACED RIGHT SIDE UPPER THRUST REVERSER UNLOCK SWITCH. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)