As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORT - GEAR SLOW TO RETRACT. FOUND HYDRAULIC PUMP INOPERATIVE RT ENGINE. HYDRAULIC PUMP DRIVE GEAR SEPARATED INTO TWO PARTS. GEAR KEYWAY AND SECTION OF GEAR FOUND IN OUTLET SECTION OF PUMP HEAD. THERE WAS NO SIGN OF SEIZURE TO CAUSE THIS FAILURE.