What was found
FOUND CMCF EXISTING FAULT MESSAGE SHOWN 33-11331,REF TO HAECO NO N-ROUTINE LOG PAGE NO.9473445,ORIGINATED BY EMP V903179,EA 4400- 01112 REV A OP 001. PERFORMED BY EMP V903179,PERFORMED T/S FOUND CLASS 31 WBU FAILED ,THEN REPLACED THE DEFECTIVE WBU AND PERFORMED INSTALLATION TEST ,THE RESULT FOUND NORMAL, REFER FIM 33-50-F1-67A-421A-A REV 137 AMM 33-51-07-02B-520A/720A-A REV 155. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1907542 SN OFF 8141 BATTERY, WIFI E OFF 78-3350-9-9001 8141 ON 78-3350-9-9001 7505