What was found
HNL - FLT NR 25 - NR 1 FUEL LEVER, FIRE HANDLE AND A-LOOP LIGHT FLICKERED INTERMITTENTLY ON DESCENT WITH ENGINES AT IDLE. NO AURAL WARNING. MOVED NR 1 THROTTLE SLIGHTLY FORWARD AND INDICATION WENT AWAY. OTHERWISE, FOLLOWED H.A. S.O.P. AFTER LANDING ON TAXI IN. NR 1 FIRE WARNING CAME ON WITH AURAL WARNING. SHUT DOWN NR 1 ENGINE AND FIRE WARNING LIGHT WENT OUT. ASKED TOWER IF THERE WAS ANY SMOKE FROM ENGINE, BUT, THEY SAID ALL LOOKED NORMAL. CLEANED NR 1 ENGINE FIRE DETECTOR CANNON PLUGS ON ELEMENTS. A-LOOP TESTED GOOD. (M)