As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 REVERSER PRESSURE LIGHT CAME ON DURING CRUISE, WENT OUT WHEN THROTTLES RETARDED FOR DESCENT. AS PER TAFI M/M 78-30-00 FOUND OVERPRESSURE INLET SHUTOFF VALVE BAD. REMOVED AND REPLACED VALVE IN ACCORDANCE WITH M/M 78-31-09, CHECK SYSTEMS NORMAL.