As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O SIDE AMBER FMC ANNUNCIATION ILLUMINATED FOR UNDETERMINED REASON. GROUNDED-YES. ANNUNCIATOR AND FMC PREVIOUSLY REPLACED. UNABLE TO INDUCE FAULT THAT WOULD NOT CLEAR PREVIOUSLY. REMOVED & REPLACED F/O'S AUTO FLIGHT STATUS ANNUNCIATOR. OPERATIONS CHECK NORMAL, REF B737-800 AMM 22-11-32-000-801 & 22-11-32-400-801.