As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SCHEDULED MAINTENANCE CHECKS WERE BEING CONDUCTED THAT REQUIRED OPERATION OF THE UTILITY HYDRAULIC PUMP. A HEAVY SKYDROL MIST WAS NOTED COMING FROM THE AFT EQUIPMENT BAY. INSPECTION FOUND THE UTILITY HYDRAULIC PUMP SHUT-OFF VALVE HAD RUPTURED AND WAS SPRAYING FLIGHT HYDRAULIC FLUID FROM AN AREA THAT HAD BEEN STAMPED BY THE MANUFACTURER. SHUT-OFF VALVE MANUFACTURED BY HYDRA-POWER, MANUFACTURE PN HP985100S1-1, GAC PN 1159SCH217-1, SN 1127.