What was found
LAX - INFORMATION FROM LOG PAGE 142093. DURING ENGINE NR 1 LOOP , 'B' FLICKERED ON OVER A ONE MINUTE PERIOD. ACCOMPLISHED ABNORMAL PROCEDURE 1 IN FIRE PROTECTION SECTION OF FCOM. WITH ENGINE 1 LOOPS SWITCH SELECTED TO 'A' LOOP, A SATISFACTORY LOOPS 'A' TEST WAS DONE. FOUND WIRE CHAFED UNDER CLAMP AT 5 O'CLOCK POSITION AFT SECTION. WRAPPED WIRE BUNDLE AND REPLACED CLAMP. CHECKS NORMAL. REMOVED PLACARD. CLEARED MAINTENANCE ITEM CONTROL SHEET. (X)