As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CAPTAIN REPORTED A LOSS OF FLUID FROM NR 1 HYDRAULICS. EVERYTHING SEEMED TO OPERATE NORMALLY, BUT CREW ELECTED TO DO THE FLAPLESS LANDING IN CASE OF A GO AROUND. NR 1 HYDRAULIC SYSTEM DRAINED DOWN TO 1 QUART INFLIGHT. FOUND IB ROLL SPOILER PRESSURE CHD LINE WITH A PIN HOLE AT 90 DEGREE BEND ABOUT 3 INCHES FORM ACTUATOR PORT.