As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS ELECTRICAL ODOR FROM INOP ATC/MSG LIGHT GLARE SHIELD. ELECTRICAL ODOR SOURCE FOUND TO BE THE FCU. REMOVED & REPLACED IAW AMM 22-81-12 . OPS CHECK AFS TEST & LAND CAT III CAPABILITY TEST ALL SATISFACTORY IAW AMM 22-96-00 & 22-97-00.