What was found
BLEED 1 VALVE FAIL MFD MESSAGE ON TAKE OFF ROLL. FOUND BROKEN WIRE ON BLD 1 PUSH BUTTON ON A/C PANEL R & R PANEL PER AMM 20-13-10 NO FIX. R/R'D RELAY K0537 PER STANDARD PROC. NO FIX. INSPECTED NR 1 ENGINE BLEED DUCTS AND FOUND THE CLAMPS SECURING THE CHECK VALVES IN PLACE LOOSE & GASKETS INCORRECTLY PLACED CAUSING LEAKS. REPLACED THE GASKETS & RETORQUED THE CLAMPS IAW 361101. LEAK CHECKED GOOD, OPS CHECKED BLEED VALVE, NO DEFECTS NOTED.