What was found
AIRCRAFT GROUNDED, [REPEAT ITEM] AUTOTHROTTLE OFF ECAM AT CRUISE, AUTOTHROTTLE RE-ENGAGED WITH A/P 2 PER QRH (QUICK REFERENCE HANDBOOK) PROCEDURE. REMOVED AND REPLACED FLIGHT MANAGEMENT AND GUIDANCE COMPUTER (FMGC) 2, PER AMM 22-83-34, OPERATIONAL CHECK GOOD. CLEARED MEL.