As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE LT ENG REVERSE AMBER LIGHT REMAINED ON AFTER FWD THRUST SELECTED, THRUST LEVER COULD BE ADVANCED. THE CREW RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. MX ACCOMPLISHED FIM 78-36-00 AND FOUND THE CTR ACTUATOR OUT OF ADJUSTMENT. MX ADJUSTED CTR ACTUATOR. OPS CHECK GOOD IAW MM 78-36-00 PAGE 505-507. ACFT WAS RETURNED TO SERVICE.