What was found
#1 ENGINE CONTROL LIGHT ILLUMINATED AFTER #1 ENGINE START. GROUNDED - YES. REMOVED AND REPLACED J9 HARNESS. REF B737-800 AMM 73-21-06.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
#1 ENGINE CONTROL LIGHT ILLUMINATED AFTER #1 ENGINE START. GROUNDED - YES. REMOVED AND REPLACED J9 HARNESS. REF B737-800 AMM 73-21-06.