What was found
DURING CLIMB OUT, RECEIVED A NR 1 ENGINE OIL FILTER BYPASS LIGHT. ACFT GROUNDED. ACCOMPLISHED AN EEC BITE IAW FIM 73-00, TASK 801, NO FAULT CODES NOTED. INSPECTED THE CHIP DETECTORS IAW AMM 79-21-05, THE FWD CHIP DETECTOR SHOWS SOME DEBRIS. ATTEMPTED TO REMOVE THE SCAVENGE OIL FILTER IAW AMM 79-21-04, UNABLE TO REMOVE FILTER BOWL. INSPECTED THE NR 1 ENGINE STARTER MAGNETIC DRAIN PLUG IAW AMM 79-00-00 NO DEBRIS FOUND. REPLACED THE NR 1 ENGINE IAW T/C 78471001