What was found
NR 1 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED DURING TAXI IN. ACFT GROUNDED. PERFORMED ELECTRONIC ENGINE CONTROL BITE 73-00, TASK 801. RECENT HISTORY FAULT SHOWS FLTS X+1 W/79-31121 DUAL CHANNEL. MAINTENANCE MESSAGE OF OIL FILTER SIGNAL DISAGREE. OIL FILTER BYPASS FLASHES AND ILLUMINATES 1.5 MINUTES AFTER ELECTRONIC ENGINE CONTROL IS INITIALIZED. PERFORMED FIM 79-21TASK806, STEP G, 4. S125 PI N 1 AND 2 READS 300K OHMS, SHOULD BE LESS THAN 5 OHMS. REPLACED SCAVENGE FILTER TRANSMITTER REF MM 79-21-07-400-801.