What was found
DURING TAXI OUT JUST PRIOR TO HOLDING SHORT OF THE RUNWAY #1 ENGINE CONTROL LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 73-06-801 ENGINE CONTROL LIGHT IS ON ACCOMPLISHED FIM 73-00 TASK 801 EEC BITE CHECK FAULT CODES 75-10581 AND 75-10531 ACCOMPLISHED ACTUATOR TEST 12 PER B737-800 AMM 71-00-00 TEST NORMAL ACCOMPLISHED EEC BITE CHECK NO CURRENT FAULTS FOUND, RAN #1 ENG, ENG 1 EEC REMAINED EXTINGUISHED. ACCOMPLISHED ADDITIONAL EEC BITE NO FAULTS FOUND.