What was found
#1 ENGINE IS ALERTING FOR OIL FILTER DELTA PRESSURE INCREASE AND APPROACHING OIL FILTER BYPASS INDICATION. GROUNDED - YES. PERFORMED STEPS 1-4 OF ASA TSR, FOUND NO ATA 79 FAULT MESSAGES, BUT FOUND SMALL METALLIC DEBRIS IN OIL FILTER ELEMENT. REMOVED AND REPLACED #1 ENG OIL FILTER PER B737-9 AMM 79-21-07. CONTINUED WITH TSR STEPS 5-7 WITH NO CONTAMINATION/DEBRIS NOTED. PERFORMED LEAK CHECK ON #1 ENG OIL FILTER COVER, SCAVENGE SCREENS, STARTER CHIP DETECTOR AND ODMS SENSOR WITH NO LEAKS NOTED. ODMS CHIP COUNT SHOWS 4 AND REQUIRES TO BE RESET PER AMM 79-00-00-210-804-G00. ACCOMP. #1 ENG CHIP COUNT RESET, REF AMM 71-00-00-700-802-G00.