What was found
FLIGHT CONTROL SYSTEM ANY CONDITION OF THE FLIGHT CONTROL SYSTEM OR IT'S SYSTEM INTERFACES WHICH WOULD PREVENT DISPATCH. FLIGHT CONTROLS SYSTEM BELOW MINIMUM DISPATCH REQUIREMENTS. STATUS MSG01- ACTIVE CRUISE HARD;POWER SUPPLY ASSEMBLY (LEFT) HAS NO OUTPUT ON FLIGHT CONTROLS ARINC 629 BUS (LEFT). DB- PRIMARY FLIGHT COMPUTER (RIGHT) MSG02- ACTIVE CRUISE HARD;POWER SUPPLY ASSEMBLY (LEFT) HAS NO OUTPUT ON FLIGHT CONTROLS 629 BUS (LEFT). MSG-2458811 ACTIVE ER HARD MSG-2458811 ACTIVE ER HARD. MSG 24-58811. REPLACED 629 COUPLER B24101 IAW MM 23-91-01. OPERATIONS CHECKED OK. FLIGHT CONTROL SYSTEM MESSAGE REPLACED ARINC 629 COUPLERS & PSA-LEFT.