As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) 2ND MAINTENANCE GROUND RUN WAS COMPLETED ON AIRCRAFT AND ENGINES SHUTDOWN. HAD LUNCH AND RETURNED TO A/C AND OBSERVED POOL OF HYDRAULIC FLUID BENEATH THE RT ENGINE. POST INSPECTION OF HYD PUMP REVEALED A CRACKED HOUSING. REPLACED THE HYDRAULIC PUMP. (TC NR 20070508005)