What was found
AFT (UPPER) FUEL XFEED SWITCH 'VALVE' LIGHT INOPERATIVE. MM COMMENTS: TOP FUEL CROSSFEED VALVE LIGHT DOES NOT COME ON WHEN ACTUATED. LIGHT INOP, CONFIRMED OPERATION PER MEL. FOUND WRONG SWITCH INSTALLED. NEEDS LENS CAP 563-3644, MASTER MODULE 563-3385 & CIRCUIT CARD 563-3969. LENS CAP NON STOCK SEATTLE. POST COA 505010. FWD CROSS FEED VALVE LIGHT IS INTERMITTENT. NEEDS SAME PARTS AS AFT CROSSFEED VALVE. LENS CAP NON-STOCK SEATTLE. VERIFIED BOTH CROSSFEED VALVES OPERATE PER MEL. REPLACED ACT PER MM. LIGHT AND ACT OPS CHECK OK NOW.