What was found
NR 1 ENGINE BLEED VALVE DOES NOT CLOSE. RETURN TO HNL, NO EMERGENCY DECLARED; REQUESTED PRECAUTIONARY FOR OVERWEIGHT LANDING AND POSSIBLE HOT BRAKES. OVERWEIGHT LANDING (147,000 LBS) WITH MINIMUM SINK RATE. WITH ENGINE NR 1 AT IDLE, VERIFIED NR 1 ENGINE BLEED DOES NOT TURN OFF WITH SWITCH POSITION IN OFF. VERIFIED BLEED AIR REGULATOR INOP, REMOVED AND REPLACED IAW AMM 36-11-03-4. OPS CHECK GOOD. VERIFIED 4 EA BRAKES WARM TO TOUCH. OPS CHECK NORMAL IAW AMM 05-51-35-2. PERFORMED OVERWEIGHT LANDING INSPECTION PHASE I IAW AMM 05-51-35-2, NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.