As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON TAKEOFF, THE CREW DETECTED A STRONG ODOR THROUGHOUT THE ACFT. THE ACFT RETURNED WITHOUT INCIDENT. MAINTENANCE DISCOVERED BOTH A AND B SYS HYDRAULIC RESERVOIRS SLIGHTLY OVER SERVICED. THE RESERVOIRS WERE DRAINED TO THE PROPER LEVEL AND HIGH POWER ENGINE RUNS WERE CARRIED OUT. NO STRONG ODORS WERE DETECTED.