What was found
DURING DESCENT, ENG 1 ANTI ICE FAILED, GEA 2 FAILED, ENG NO DISPATCH CAS ILLUMINATED. GTC SHOWED DATA PATH FAIL, NUMEROUS ENGINE, FLIGHT CONTROL AND LANDING GEAR INDICATIONS, FAILED: ROLL TRIM, YAW TRIM, NR 2 OIL PRESS, NR 2 OIL TEMP, NR 2 FUEL FLOW, NR 2 BATT VOLTAGE. RT MAIN LANDING GEAR INDICATED UNSAFE WITH GEAR EXTENDED AND RETRACTED. TOWER CONFIRMED LANDING GEAR SAFE. ACCESSED AND REMOVED DEFECTIVE GEA2. INSTALLED A REPAIRED GEA2. COMPLIED WITH SATISFACTORY SOFTWARE UPLOADS, CONFIGURATION, AND OPS CHECKED. REINSTALLED ALL ACCESS PREVIOUSLY REMOVED. REF AMM 31-41-03-000/400-801-A.