As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 721 FROM TOL TO ROC. AFTER DEPARTING THE RUNWAY THE GEAR WOULD NOT RETRACT, A LOSS OF SYSTEM "A" HYDRAULICS WAS NOTED. THE AIRCRAFT RETURNED TO TOL WHERE AN EMERGENCY WAS DECLARED. THE AIRCRAFT LANDED WITHOUT INCIDENT. POST FLIGHT INSPECTION REVEALED THAT THE NR 3 LEADING EDGE SLAT ACTUATOR WAS LEAKING. THE NR 3 SLAT ACTUATOR WAS REMOVED AND REPLACED, OPERATIONAL CHECKS GOOD. NO OTHER DEFECT WERE NOTED. AIRCRAFT WAS RETURNED TO SERVICE