What was found
AUTOTHROTTLE UNCOMMANDED DISENGAGEMENT WHILE ON APPROACH AND SOURCE ON CAPTAIN SIDE. REMOVED FROM SERVICE. PLACED ON MEL 22-30-00(A). CLEARED 8/25/22 REPLACEDTHRUST CONTROL QUADRANT IAW E175 AMM 76-11-01-000/400-801-A. PERFORMED OPS TEST OF THRUST REVERSERS IAW E175 AMM 78-30-01-720-801-A. OPS TEST PASSED. PERFORMED OPS TEST OF TO/GA SWITCH IAW E175 AMM 22-11-00-710-801-A. OPS TEST PASSED. DUE TO PRIOR HISTORY, PERFORMED OPS TEST OF AT/TCQ UNTERFACE IAW E175 AMM 22-31-00-710-801-A. OPS TEST PASSED. NO FURTHER DEFECTS NOTED. THIS CLEARS MEL. PERFORMED LLM RTS TESTING, TEST PASSED. A/C REMAINS CAT III QUALIFIED, COCKPIT PLACARD READS CAT III. RETURNED TO SERVICE.