As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT THRUST REVERSER UNLOCK LIGHT ILLUMINATED IN FLIGHT. PERFORMED THRUST REVERSER RT OPS TEST. OPS TEST GOOD. NO DEFECTS NOTED. SERVICED FLIGHT HYD SYS TO FULL, REMOVED HYD PWR FROM ACFT. SYS, OPS CHECKS GOOD. REF G-IV CMP 783010 AND MM 78-00-0, WD 78-30-00, FIG 8.