What was found
BRAKE CONTROLS ADVISORY FAULT IN THE BRAKE SYSTEM CAUSING UNCOMMANDED APPLICATION OF ANY BRAKE, OR BRAKE LOSS TO MORE THAN ONE BRAKE PER TRUCK. FIM TASK REF : 31-90-F8-01A-421B-A CMC MSG# 4201060 FLIGHT STATUS: A INTERMITTENCE CODE: H PH: CRUISE NARRATIVE: 42 GPMGENERAL OPS (LEFT 1) CMC MSG# 4201060 FLIGHT STATUS: A INTERMITTENCE CODE: H PH: CRUISE NARRATIVE: REPLACED LEFT BSCU FOR MAINT MSG 4201060. CONFIG SOFTWARE FOUND MISSING UPON INITIAL CHECK. SWAPPED LEFT BSCU WITH RIGHT, FAULT FOLLOWED. LOADED AND VERIFIED CORRECT SOFTWARE. REF AMM B787-A-32-42-03-01A-520A-A AND -720A-A. GROUND OPS NORMAL, ALL FAULTS CLEARED. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1049366 SN OFF 1179 UNIT, BRAKE SYS OFF 78-3242-9-0001 1179 ON 78-3242-9-0001 1609