As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR - FLT C03099 - CREW REPORTED STRONG ODOR IN COCKPIT (POSSIBLE ELECTRICAL ODOR) ON CLIMB-OUT, AIR RETURNED WITHOUT INCIDENT. MAINTENANCE PERFORMED ENGINE GROUND RUNS, CHECKED CABIN AND FLIGHT COMPARTMENT AIR DISTRIBUTION SYSTEMS AND FOUND NO DISCREPANCIES. RETURNED AIRCRAFT TO SERVICE. (M)