What was found
CREW RECEIVED A LAUNDRY LIST OF CAUTION MESSAGES INBOUND TO VPS (IB/OB SPOILERONS, OIL PRESSUE, LH IB BRAKE PRESSURE, LH /AI DUCT, HYD TEMP CAUTION). EMERGENCY WAS DECLARED AND TRUCKS ROLLED ON LANDING. A/C WAS ABLE TO TAXI TO THE GATE UNDER THEIR OWN POWER AND WITHOUT ANY FURTHER ISSUES. MAINTENANCE IS CURRENTLY INSPECTING. NO FURTHER INFORMATION. DCU 1 FAIL STATUS MSG / INTERROGATED MDC AND FOUND FAULT CODE 006250. PULLED AND RE-RACKED DCU 1 AND DCU 2 IAW CRJ 700 AMM 31-41-04-000/400-801-A01. PERFORMED OPS CHECK IAW AMM 31-41-04-710-801-A01. OPS CHECK GOOD. ALL FAULTS CLEARED, NO FURTHER DEFECTS NOTED. PERFORMED OPS CHECK OF THE COWL ANTI SYSTEM IAW CRJ700 AMM 30-20-00-710-801 OPS CHECKS SATISFACTORY AT THIS TIME AIRCRAFT OK FOR SERVICE