As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF SYSTEM `A` HYDRAULIC PRESSURE AND QUANTITY. INVESTIGATION FOUND THE NR 1 ENGINE DRIVEN HYDRAULIC PUMP CONNECTOR DP1204 HARD PLASTIC INSERT BROKEN. METAL CONTAMINATION OF HYDRAULIC FILTER. BURNING SMELL DURING TAKEOFF SUSPECTED TO BE HYDRAULIC PUMP OIL RESIDUE.