What was found
FLIGHT 2215- IN CRUISE AUTO BRAKE FAIL MASTER CAUTION APPEARED ON CAS FOR APPROXIMATLY 30 SECONDS AND EXTINGUISHED IT DID NOT REAPPEAR. PLACED ON MEL 32-41-02A. MEL CLEARED 5/9 BY INTERROGATED CMC FOUND FAULT CODE 32410003AM REPLACED THRUST CONTROL QUADRANT ASSY IAW E175 AMM 76-11-01-000/400-801 OPS TEST GOOD REF LP 1113162 FOR LLM RTS TEST AND STATEMENT. MTX PROCEDURES OF MEL 32-41-02 (A) REVERSED. PERFORMED MAIN BRAKE AUTO BRAKE SYSTEM FUNCTIONAL TEST IAW E175 AMM 32-41-02-720-801-A FUNCTIONAL TEST GOOD NFDN PLACARDS REMOVED MTX CTRL NOTIFIED THIS CLEARS DEFECT. RETURNED TO SERVICE.