What was found
SUPPLEMENTAL FUNCTIONAL CHECK FLIGHT REQUIRED FOR ITEM ON AML #4412501/1 LG AIR/GND FAIL MSG AFTER TAKEOFF GEAR WOULD NOT RETRACT. NORMAL LANDING BACK AT MIA. AIRCRAFT RELEASED FOR FCF PURPOSES ONLY. PERFORM MULTIPLE GEAR CYCLES DURING FLIGHT. AIRCRAFT RELEASED FOR FCF PURPOSES ONLY 580315-C/A-FCF FAIL 814498. REMOVED AND REPLACED LH MLG CARDAN FITTING IAW EMB 145 AMM 32-10-09 OPS CHECKS GOOD. ADJUSTED LH MLG AFT WOW SWITCH IAW EMB 145 AMM 32-63-05 OPS CHECKS GOOD FCF FOUND SATISFACTORY