As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT THE LEFT THRUST REVERSER LOCKED OUT OF REVERSING. THE MAINTENANCE VENDOR TROUBLESHOT AND DETERMINED THE T/R LOCKOUT SOLENOID WAS FAULTY. THE DEFECTIVE SOLENOID WAS REMOVED AND A NEW UNIT WAS INSTALLED. OPERATIONAL CHECKS SATISFACTORY. AIRCRAFT WAS RETURN TO SERVICE.