What was found
FLIGHT CONTROLS LOCKED AFTER DISCONNECTING AUTOPILOT (PITCH AND ROLL) HAD TO USE SOME FORCE TO UNLOCK CONTROLS. 2020-12-30: REMOVED AND REPLACED FCC CARDS 1 AND 2, IAW CRJ700 AMM 22-12-14-00-000/400-801-A01. OPERATIONS CHECK GOOD. PERFORMED OPERATIONS CHECK OF A/P DISCONNECT SWITCHES, IAW CRJ700 AMM 22-11-00-803. OPERATIONS CHECK GOOD. PERFORMED OPERATIONS CHECK OF FCP CONTROL PANEL, IAW CRJ700 AMM 22-11-07-710-801. OPERATIONS CHECK GOOD. 2020-12-31: INSPECTED ELEVATOR CONTROL CABLES IN AVIONICS BAY, WHEEL BINS AND AEB WHERE APPLICABLE, IAW CRJ700 AMM 05-21-00-210-801, NO DEFECT NOTED. 2020-12-31: INSPECTED AILERON CONTROL CABLES IN AVIONICS BAY, WHEEL BINS P, AND WINGS WHERE APPLICABLE, IAW CRJ700 AMM 05-21-00-210-801, NO DEFECT NOTED. 2020-12-31: INSPECTED CONTROL CABLES LOCATED IN WHEEL WELL AREA, IAW CRJ700 AMM 05-21-00-210-801, NO DEFECT NOTED. 2020-12-31: INSPECTED AND CLOSED AEB, IAW CRJ700 AMM 53-60-01-PSA. 2020-12-31: INSPECTED LT AND RT AILERON PCU LINKS, IAW CRJ700 AMM 27-14-01-220-801, NO DEFECT NOTED. PN: 822-1308-320 SN: NGWV 40,309.55 FH AND 29,927 FC.