What was found
DURING TAXI, NR 2 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED DID NOT EXTINGUISH UNTIL ENGINE WAS SHUTDOWN. ACFT GROUNDED. IAW FIM 79-05, TASK 817, STEP E2 CDU INPUT MONITORING/OIL FILTER SCREEN OTHER THAN CLOGGED CONDITION DISPLAYED IAW STEP G2. REMOVED, INSPECTED AND REPLACED MAGNETIC CHIP DETECTORS NR 2 ENGINE IAW AMM TASK 79-00-00-200-804-FOO, NO CONTAMINATION FOUND. IAW STEP G3 REMOVED, INSPECTED, AND REPLACED OIL SCAVENGE FILTER ELEMENT ENG NR 2 IAW AMM 79-21-06. NO CONTAMINATION FOUND; AND REMOVED, INSPECTED, AND REPLACED OIL SUPPLY FILTER ELEMENT ENG NR 2 IAW AMM 79-21-03 NO CONTAMINATION FOUND. AS A PRECAUTIONARY MEASURE, R & R SCAVENGE OIL FILTER CLOGGING TRANSMITTER IAW AMM 79-21-07. RAN NR 2 ENG IAW AMM 71-00-00 OIL FILTER BYPASS LIGHT, NR 2 ENGINE DID NOT ILLUMINATE.