As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT INBOARD ROLL SPOILER ACTUATOR BULKHEAD UNION FITTING SLIGHTLY LOOSE IN ACTUATOR BODY CAUSING FAILURE OF THE UNION O-RING SEAL AND LOSS OF HYDRAULIC FLUID. SPOILER ACTUATOR HAD BEEN REPLACED AT LAST MAINTENANCE CHECK AND IT IS SUSPECTED THAT EITHER THE RIGID LINE CONNECTION OR THE BULKHEAD FITTING HAD NOT BEEN CORRECTLY RETORQUED.