What was found
SLAT DISAGREE, 15,000 FT, SLATS EXTENDED 270 KTS HEARD LOUD BANG ALSO, NO ROLL ISSUES AT ALL AT ANY TIME. COMPLIED WITH QRH, SLAT STOW, FLAPS 0/28. ON INSPECTION, FOUND BRACKET BROKEN. INSTALLED NEW PULLEY BRACKET WITH NEW PULLEYS, ROUTED NR 1 & 2 LT SLAT CABLES AND INSTALLED CABLE KEEPERS IN BRAKE ASSY PER SMP. RECONNECTED NR 1 & 2 LT UPPER DRUM SLAT DRIVE CABLES AND RIGGED PER AMM 27-80-00-5, OPERATED SYSTEM SEVERAL TIMES AND SYSTEM OPERATING NORMALLY, ACFT IS OK FOR SERVICE.