As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OPERATION PASSING THROUGH 9000 FT A COMPLETE "A" HYD SYS FLUID LOSS WAS ENCOUNTER. AN EMERGENCY WAS DECLARED, APPROPRIATE CHECKLIST PERFORMED AND THE ACFT RETURNED TO DEPARTURE WHERE IT LANDED WITHOUT INCIDENT. POST FLIGHT INSP WAS PERFORMED, NOTING THAT THE OTBD FLAP PWR UNIT HYD MOTOR WAS LEAKING. R & R THE OTBD FLAP PWR UNIT HYD MOTOR. PERFORMED OPS AND LEAK CHECKS. ALL CHECKS GOOD, NO OTHER DEFECTS WERE NOTED. ACFT WAS RETURNED TO SERVICE.