As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A STRONG BURNING ODOR IN THE COCKPIT. RETURNED TO DEPARTURE, DID NOT DECLARE AN EMERGENCY AND LANDED AND TAXIED TO GATE WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND FOUND A HYDRAULIC LEAK AT THE NR 2 PYLON AT THE ENGINE DRIVEN PUMP. MAINTENANCE R & R QUICK DISCONNECT IAW AMM AND OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.