What was found
LEVEL 2 ENG 1 OIL FILTER ALERT DURING CLIMB PASSING FL 200. ALL OIL PRESS & TEMP INDICATIONS WERE NORMAL, NO VIBRATION. REDUCED THROTTLE TO IDLE. LEVEL 2 ALERT REMAINED. SHUTDOWN NR 1 ENG IAW QRH GUIDANCE, NO OTHER INDICATIONS. ENG 1 CONTINUED TO WINDMILL AT APPROX 24% N2. TROUBLESHOOT IAW FIMM 79-35-00-2-0, PULLED MASTER CHIP DETECTOR, NO CONTAMINATION FOUND. REMOVED AND REPLACE SCAVANGER OIL FILTER IAW AMM 79-20-02/201 AND, LUB SUPPLY FILTER IAW AMM 79-20-01-201. NO EVIDENCE OF CONTAMINATION OF EITHER FILTERS. AS PRECAUTIONARY REMOVED AND REPLACED OIL STRAINER CLOGGING SWITCH IAW AMM 79-35-01-2. RAN ENGINE REF JRH, LEAK CHECK AND OPS CHECK GOOD. A/C OK FOR SERVICE. ALL ENGINE PARAMETERS NORMAL.