As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE, SUDDEN ODOR IN COCKPIT THAT SMELLS LIKE FAULTY LIGHT BALLAST AND SEEMS TO BE STRONGEST NEAR/UNDER GLARESHIELD. TURNED OFF ALL LIGHTS. MAINTENANCE NEEDS TO CHECK ODOR IN CARGO AND E/E. OPERATED BALLAST FOR ALL COCKPIT LIGHTING PER FLIGHT CREW ODOR CAME FIRST FOLLOWED BY FWD EXHAUST FAN STATUS. C/B PULLED & COLLARED FWD TO MCO & PLACARD.