As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TIME SINCE REPAIR 6457 HRS 7578 CYCLES DURING SCHEDULED INSPECTION THE NR 2 HYD. SYSTEM FLIGHT SPOILER UNLOADING VALVE CANNON PLUG RECEPTACLE WAS FOUND APART ALLOWING THE CANNON PLUG TO DROP AWAY. NO INDICATION FROM FLIGHT CREW THAT ANY PROBLEMS WERE NOTED DURING PREVIOUS FLIGHTS. VALVE REPLACED AND AIRCRAFT RELEASE TO SERVICE.