As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FROM MLI-ATL, THE CREW RECEIVED AN EICAS HYDRAULIC READOUT OF 1600 PSI WITH A SMALL LOSS OF HYDRAULIC QUANTITY ON SYSTEM NR 1. A MASTER CAUTION `OB GND SPLR` WAS ALSO RECEIVED. THE TOWER ELECTED TO DISPATCH EMERGENCY VEHCILES, AND THE AIRCRAFT DIVERTED INTO BNA, WHERE IT LANDED SAFELY. MAINTENANCE REMOVED AND REPLACED THE PRESSURE TRANSDUCER IAW CRJ200 AMM 29-31-01. OPS CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)