What was found
DURING TAXI OUT, LT ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED ABOUT 10 SECS, THEN WENT OUT. LT ENGINE OIL PRESSURE 23-26, OIL TEMP WAS 76, OIL QTY 16-17. ACFT GROUNDED. PERFORMED ELECTRONIC ENGINE CONTROL BITE, MSG 79-31121, OIL FILTER SIGNAL DISAGREE. ACCOMPLISHED FIM 79-21, TASK 806. FOUND CLOG FILTER TRANSMITTER RESISTANCE OUT OF LIMITS. R & R NR 1 ENGINE SCAVENGE OIL FILTER CLOGGING TRANSMITTER. PERFORMED IDLE LEAK CHECK. NO LEAKS NOTED. NO FAULTS PRESENT, REF AMM 79-21-07 AND 71-00-00.