As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMBER 1 ENGINE CONTROL LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED BITE TEST PER B737-900 FIM 73-06 TASK 801. NO FAULTS FOUND. PERFORMED ENGINE RUN EEC BITE CHECK, NO FAULTS WERE FOUND, LIGHT REMAINED OFF. GROUND VERIFICATION WAS GOOD.